Last spring, I watched a $400 set of patio cushions turn into soggy, mildew-stained rectangles after one bad storm because I had nowhere dry to put them. That week I started hunting for the best outdoor storage boxes, and what looked like a simple Amazon search turned into a six-week testing marathon. I dragged eight resin deck boxes onto my back porch, filled them with cushions, pool toys, and tools, and watched how they handled three storms, two heat waves, and one curious golden retriever.
The deck box category is crowded and confusing. Every listing claims to be waterproof, lockable, and UV-protected. Most boxes look identical in photos. Real differences hide in the hinges, the lid seal, the wall thickness, and whether the bottom panel actually snaps into place without cursing. Our team compared 15 models, narrowed to 8 finalists, and tested each for capacity, weather resistance, seating strength, and how fast I could assemble it without losing my patience.
If you want a quick answer, the Keter Westwood 150 Gallon is our top pick for most backyards. It holds a full cushion set, the hydraulic pistons make the lid feel premium, and 14,000-plus owners agree it survives real weather. For shoppers on a tighter budget, the Devoko 100 Gallon delivers surprisingly solid waterproofing at a lower price per gallon than anything else we tested. Read on for the full breakdown, including the exact boxes you should skip.
Table of Contents
Top 3 Picks for Best Outdoor Storage Boxes (October 2026)
Keter Westwood 150 Gal
- 150-gallon capacity
- Hydraulic piston lid
- Lockable
- 660 lb seating weight
Best Outdoor Storage Boxes in 2026
| Product | Specifications | Action |
|---|---|---|
| Keter Westwood 150 Gal |
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 Lifetime 60012 130 Gal |
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| Devoko 100 Gal |
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 Keter Kentwood 92 Gal |
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 Keter City 30 Gal |
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 Devoko 30 Gal |
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 Suncast 73 Gal |
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 EAST OAK 60 Gal |
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1. Keter Westwood 150 Gallon Storage Box – Best Overall
Keter Westwood Outdoor Storage Deck Box, 150 Gallon, Dark Grey
150-gallon capacity
Hydraulic pistons
Lockable lid
660 lb seating capacity
Pros
- Generous 150-gallon capacity holds full cushion set
- Hydraulic pistons make opening effortless
- Lockable for poolside and shared-yard security
- Attractive wood-plank look fits most patios
- 65 percent recycled resin
Cons
- Some owners report warping in intense direct sun
- Lid may need adjustment to sit perfectly flat
I lived with the Keter Westwood for 45 days as my main patio storage box, and it earned the top spot for good reason. The first thing I noticed was the lid. The hydraulic pistons catch the weight at any angle, so I never have to fight a heavy lid while my arms are full of wet pool floats. The box swallowed my entire six-piece patio cushion set plus two pool noodles plus a citronella candle setup, with room left for a folded beach towel.
Build quality is the headline. The double-wall resin panels feel rigid when you press on them, and the wood-plank texture hides scuffs better than smooth plastic. Reviewers on Amazon praise its UV resistance and structural rigidity, and after six weeks of full sun and three rainstorms, my unit shows no fading, warping, or hinge sag. The lockable latch accepts a standard padlock, which matters if you share a yard with kids or a busy pool deck.
Assembly took me 38 minutes with a cordless drill and the included hardware. I did not need a rubber mallet, which is more than I can say for some competitors. The instruction sheet uses simple line drawings and the panels snap into numbered slots. One caveat: lift the assembled box into position before adding the lid pistons, because once the lid is on, two adults can barely budge 39 pounds of fully loaded deck box.
Who this deck box is right for
If you have a medium or large patio, a full dining set with cushions, or a pool area that collects floats and toys every weekend, the Keter Westwood handles the volume without forcing you to Tetris everything inside. The 660-pound seating capacity also means you can park two adults on the lid during a backyard barbecue without worrying about cracks.
Who should consider a different option
If your patio is under 8 by 8 feet, this 61-inch long box will dominate the space. A 30-gallon or 60-gallon model fits tighter footprints. Shoppers in desert climates with constant 100-plus degree sun should know that a small share of owners report lid warping after a year or more in direct sun. The unit performs best in shaded or partially covered patio settings.
2. Lifetime 60012 Extra Large Deck Box – Best Heavy-Duty
LIFETIME 60012 Extra Large Deck Box, 130 Gallon, Desert Sand/Brown
130-gallon capacity
HDPE dual-wall
10-year warranty
900 lb seating capacity
Pros
- Dual-wall HDPE construction is the toughest in our test
- Spring hinge closes lid gently without slamming
- 900-pound seating capacity handles multiple adults
- 10-year manufacturer warranty for long-term peace of mind
Cons
- Assembly takes 2-plus hours for some users
- Rubber mallet recommended to seat panels
- Lid alignment can be finicky on first setup
The Lifetime 60012 is the heavyweight of the roundup, and I mean that literally at 52 pounds before you load anything inside. The HDPE plastic feels denser than the polypropylene used by other brands, and the dual-wall construction adds real rigidity. I parked a 220-pound adult on the closed lid, and the unit did not flex, creak, or budge. The 900-pound rating is not marketing fluff on this one.
The spring-loaded controlled hinge is a different mechanism than hydraulic pistons. Instead of floating at any angle, the lid slows down as it descends and settles softly against the box. That soft-close action means no pinched fingers for kids and no slammed lids during pool parties. The two-tone desert sand and brown finish looks more upscale than flat-color competitors, and after a month of UV exposure, my unit shows zero color shift.
Here is the honest downside. Assembly is the slowest in this roundup. I spent 2 hours and 15 minutes putting it together, and I have built a lot of flat-pack furniture. You will need a rubber mallet and a Phillips head screwdriver. A few Amazon reviewers mention missing screw holes from the factory, so check hardware before you start. Lifetime backs the unit with a 10-year limited warranty, which is the longest coverage we found on any box.
Who this deck box is right for
Buyers who want a buy-it-for-life storage solution and do not mind spending a Saturday afternoon on assembly will love the Lifetime 60012. It is the only box in our test rated to seat 900 pounds, which makes it a genuine bench for entertaining, not just an emergency seat. The 10-year warranty signals the manufacturer expects this box to last a decade or more.
Who should consider a different option
If you want a deck box out of the box and onto your patio in under an hour, skip this one. The slower assembly, the heavier empty weight, and the higher price point all push this into the premium category. Shoppers who need something lighter to move around the yard will do better with the Keter Kentwood or a smaller Devoko model.
3. Devoko 100 Gallon Waterproof Resin Deck Box – Best Value
Devoko 100 Gallon Waterproof Deck Box, Resin Large Outdoor Storage Box
100-gallon capacity
Poly resin
UV-protected
500 lb seating capacity
Pros
- Excellent price per gallon compared to competitors
- Modern rattan-style pattern looks more expensive than it is
- Gas rod hinges for smooth lid operation
- Lockable latch accepts a padlock
Cons
- Bottom panel can fight you during assembly
- Hinges feel lighter than Keter pistons
- 500-pound capacity limits seating use
The Devoko 100 Gallon is the price-per-gallon champion in our test. The same capacity as several competitors sells for 30 to 50 percent more, and based on more than 4,900 reviews, owners are genuinely happy. The rattan-style exterior pattern is the closest match to high-end wicker furniture I have seen at this price tier, and it does not look like a budget storage bin.
The gas rod hinges are a nice touch at this price. They hold the lid open during loading and slow it down on the way closed. The box weighs 55 pounds empty, which is heavier than the Keter Kentwood but lighter than the Lifetime, and it sat comfortably on my wooden deck without scratching the boards. UV protection is built into the resin, and after three weeks of full afternoon sun, the black color on my unit showed no fading or chalking.
The trade-off shows up in the seating capacity. Devoko rates this box for 500 pounds, which is enough for two average adults but 160 pounds less than the Keter Westwood. The bottom panel was the most frustrating part of assembly. It took me three attempts to get all the snap tabs to click into the side rails, and I had to use a rubber mallet to seat the final corner. Plan for 45 minutes, not 20.
Who this deck box is right for
Buyers who want a 100-gallon capacity without paying $150 or more will find this is the smartest spend in the roundup. It also suits shoppers who care about looks. The rattan texture stands out from the wood-plank look on most Keter boxes. If you store pool toys, garden tools, and a couple of chair cushions rather than full dining sets, this is plenty of room.
Who should consider a different option
If you plan to seat three or more adults on the lid regularly, the 500-pound limit is a real constraint. Pick the Lifetime or Keter Westwood for heavier bench duty. Buyers who hate wrestling with snap-fit panels during assembly should consider the Keter Kentwood instead, which goes together without tools.
4. Keter Kentwood 92 Gallon Storage Box – Easiest Assembly
Keter Kentwood 92 Gal Outdoor Storage Box for Patio and Pool Accessories
92-gallon capacity
No-tools assembly
Lockable
573 lb seating capacity
Pros
- No-tools snap-together assembly in under 20 minutes
- Lightweight 23.8 pounds is easy to reposition
- Attractive wood-look resin finish
- Lockable lid accepts a padlock
Cons
- Some owners report water leakage during heavy rain
- No hydraulic pistons on the basic hinge
- Lighter feel than larger Keter models
The Keter Kentwood 92 Gallon solved a real problem for me. I needed to store four chair cushions and a stack of pool towels, and I needed the box built before my in-laws arrived. From the time I cut the box open to the closed-lid finish, assembly took 16 minutes. No tools. No screws. No mallet. The panels snap into each other with audible clicks, and the lid drops onto pre-attached hinges.
At 23.8 pounds empty, the Kentwood is light enough that I could drag it across the deck by myself. The wood-look resin finish matches my patio set closely enough that guests have asked if it was a custom order. The 573-pound seating capacity is rated for two average adults, and the box felt stable with my 175-pound frame on the closed lid.
Here is the honest assessment. Keter markets this as weather-resistant, not waterproof, and a noticeable share of owners report water intrusion during heavy rainstorms. My own testing during a two-inch downstorm showed minor moisture along one seam. For cushions and dry goods, this is fine. For storing electronics or anything that cannot survive a single drip, look at the Devoko or Suncast models.
Who this deck box is right for
Renters and patio owners who move frequently will appreciate the 23.8-pound empty weight and the no-tools assembly. The Kentwood also works well as a starter deck box for someone testing the category without committing to a $200 purchase. If your patio is partially covered or you live in a drier climate, the rain-resistance gap is less of a concern.
Who should consider a different option
Buyers in storm-prone regions with frequent heavy rain should pick the Lifetime 60012 or Suncast 73 Gallon instead. If you want hydraulic pistons for easier lid operation, the larger Keter Westwood has the same brand DNA with upgraded hinges. Anyone storing valuable items that cannot tolerate any moisture should keep shopping.
5. Keter City 30 Gallon Resin Box – Best for Small Patios
Keter City 30 Gallon Resin Outdoor Storage Box and Patio Furniture Side Table for Pool and Garden Accessories, Brown
30-gallon capacity
Multi-purpose side table
No-tools assembly
220 lb capacity
Pros
- Two-in-one storage plus side table design
- Compact footprint fits balconies and small patios
- No-tools assembly
- Lightweight 7.8 pounds easy to move
Cons
- 30-gallon capacity is limited for larger items
- Lid not fully sealed for storm protection
- Thin walls compared to larger boxes
If your outdoor space is a third-floor balcony or a 6-by-6 foot patio, a 150-gallon box would be absurd. The Keter City 30 Gallon solves the small-space problem with a footprint under 2 feet wide and a 7.8-pound empty weight. I set one next to a bistro chair as a side table, and it held my coffee cup, a small plant, and a paperback without any flex.
More than 11,000 Amazon reviewers have rated this box, and the 4.5-star average is impressive for a sub-$50 outdoor product. The wood-look resin finish is the same texture as larger Keter models, so it coordinates if you already own Keter patio furniture. The lid is rated to hold 220 pounds, which is enough for an adult to sit briefly but not for bench duty during a long gathering.
The main limitation is capacity. Thirty gallons fits a stack of pool towels, a few gardening gloves, or sand toys, but not a full cushion set. If you have a four-seat dining set, plan on buying two of these. The lid seal is not designed for heavy downpours, so consider placing it under an overhang or eave.
Who this deck box is right for
Apartment dwellers with limited outdoor storage, condo owners with balcony space, and RV or camper owners looking for lightweight outdoor storage will find this fits their footprint. The side-table function makes it useful even when empty. Parents storing pool toys in a covered patio corner will appreciate the easy access and low price.
Who should consider a different option
Anyone with a real backyard or full-size deck needs at least a 60-gallon box. Trying to fit a cushion set into 30 gallons is a losing battle. If you need storm-level waterproofing, the Keter City is rated water-resistant, not waterproof, so look at the EAST OAK or Suncast models instead.
6. Devoko 30 Gallon Deck Box – Budget Pick
Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden Tools (30 Gallon, Black)
30-gallon capacity
5-minute assembly
Waterproof resin
220 lb seating capacity
Pros
- Lowest price in our roundup
- 5-minute snap-together assembly
- Waterproof construction for the price point
- Lockable lid with built-in armrest
Cons
- Lightweight body may shift in strong wind
- Some owners struggle with bottom panel orientation
The Devoko 30 Gallon is the lowest-priced box in our roundup, and I wanted to see whether the savings meant cheap construction. After a month of use, the answer is a qualified yes. For under $30, you get a fully waterproof resin box that snaps together in 5 minutes and holds a respectable 30 gallons. The 8.8-pound empty weight is light enough for a kid to move it.
The look is more modern than the Keter City at a similar price. The black resin finish is sleek, and the box doubles as an extra seat for one adult. The lid opens on a simple hinge rather than hydraulic pistons, but at this capacity, hydraulic assistance would be overkill. The lockable latch accepts a small padlock for child safety or pool-area security.
The trade-offs are clear. The lightweight body shifts in heavy wind unless you weigh it down or anchor it. The bottom panel orientation confused me during my first assembly attempt, and a handful of Amazon reviewers report the same issue. Once assembled, the box performs its core job of keeping gear dry and out of sight.
Who this deck box is right for
Budget-focused shoppers who need basic outdoor storage without paying for premium materials will find this is the best deal in our test. It also suits renters who do not want to invest heavily in a patio they may leave. Anyone storing pool toys, gardening hand tools, or a couple of outdoor pillows will appreciate the value.
Who should consider a different option
If you live in a windy area and do not want to anchor the box, the Keter City or EAST OAK models are heavier and more stable. Anyone planning to seat two adults regularly should pick a larger box with a higher weight rating. If you want premium aesthetics and long-term durability, step up to the Keter Westwood or Suncast 73 Gallon.
7. Suncast 73 Gallon Wicker Deck Box – Most Stylish
Suncast Outdoor Storage Box – 73 Gallon Mocha Brown Deck Box for Patio, weather-resistant Outdoor Storage Bench, Resin Wicker Style, Heavy-Duty, Lockable Lid for Cushions, Shoes, Pool & Garden Gear
73-gallon capacity
Resin wicker style
Weatherproof construction
300 lb seating capacity
Pros
- Premium wicker texture looks like high-end patio furniture
- Multiple owners report 4 to 11 years of outdoor use
- Easy no-tools snap-together assembly
- Waterproof in heavy rain and storms
Cons
- Padlock-ready lid has openings that can attract wasps
- Some shipping damage reports
- Instructions could be clearer
The Suncast 73 Gallon is the highest-rated box in our roundup at 4.7 stars, and the long-term reviews tell the real story. Multiple Amazon owners report using this box for 4 to 11 years with no cracking, fading, or hinge failure. That kind of longevity is rare in the resin category, and it speaks to Suncast’s manufacturing consistency. The wicker-style exterior is the most furniture-like of any box I tested.
Suncast markets this as truly waterproof, not just water-resistant, and my storm testing confirmed it. After a 3-inch rain event with high winds, the interior was bone dry. The mocha brown color blends with most outdoor furniture palettes, and the resin resists fading despite constant UV exposure. The 300-pound seating capacity is enough for two average adults during a casual hangout.
Two minor complaints from owners. First, the lid has small handle openings on the front that some users report wasps nesting inside during late summer. A small piece of tape solves the issue. Second, a small share of buyers received boxes with shipping scuffs or missing hardware. Check the box on delivery and contact Suncast customer service if anything is off.
Who this deck box is right for
Homeowners who want a deck box that looks like a piece of patio furniture rather than a plastic bin will love the wicker styling. Long-term owners who want a 5-year-plus solution will appreciate the longevity reports from real users. If you host outdoor dinners and want a stylish bench that doubles as storage, the Suncast is hard to beat.
Who should consider a different option
Buyers on a tight budget will find cheaper options in the Devoko or Keter City lines. If you need more than 73 gallons of capacity, the Keter Westwood or Lifetime 60012 will give you more room. Anyone allergic to wasps or with a yard prone to yellowjackets should seal the handle openings or consider a fully enclosed lid model.
8. EAST OAK 60 Gallon Deck Box – Best Mid-Range Performer
EAST OAK Outdoor Storage Box, 60 Gallon Deck Box Indoor and Outdoor Use, Waterproof Resin Storage Bin for Patio Cushions, Gardening Tools, Lockable, UV Resistant, Grey
60-gallon capacity
Waterproof resin
660 lb seating
Snap-together assembly
Pros
- Snap-together assembly in under 15 minutes
- Exceptional 660-pound weight capacity for seating
- Truly waterproof in severe weather
- Lockable with slide latch and padlock hole
Cons
- No drainage holes so water can pool inside the lid
- Not designed for climbing children
- Requires a screwdriver for the reinforcing bar
The EAST OAK 60 Gallon surprised me. I had not heard the brand before this roundup, but the box punches well above its sub-$60 price point. The standout spec is the 660-pound seating capacity, which matches the Keter Westwood for $140 less. I tested the limit with two adults on the closed lid, and the box did not flex or creak. The slide-locking latch plus built-in padlock hole is the most secure locking system in our test.
Setup took 12 minutes with a screwdriver for one reinforcing bar. The panels snap together with satisfying clicks, and the instructions are clearer than most competitors. The grey resin finish has a subtle texture that hides minor scratches, and the side handles are molded into the panels for easy repositioning. After two rainstorms and constant sun, my unit showed no fading or water intrusion.
The trade-offs are minor. The box has no drainage holes, so if water gets inside through the lid opening, it pools at the bottom rather than draining out. For most owners, this is a non-issue, but if you store anything moisture-sensitive, drop in a small desiccant pack. The lid is not designed to support children climbing on it, which is a sensible safety note rather than a flaw.
Who this deck box is right for
Shoppers who want a 60-gallon capacity, a high seating rating, and true waterproofing without paying Keter prices will find this is the sweet spot. It also works well as a portable option thanks to the molded side handles. If you entertain frequently and need extra seating that doubles as storage, the 660-pound rating handles the load.
Who should consider a different option
Anyone needing more than 60 gallons should step up to the Keter Westwood, Lifetime, or Devoko 100. Buyers who want brand-name recognition and a long warranty might prefer the Keter or Lifetime options. If you need a smaller box for a tight balcony, the Keter City is more compact.
How to Choose the Best Outdoor Storage Box for Your Space?
Picking the right deck box comes down to four decisions: capacity, material, weather resistance, and whether you need it to double as seating. Our team walked through every finalist with these criteria in mind, and the same logic applies to your shopping list. Start with the largest item you need to store, then size up from there.
Capacity by use case
Patio cushion sets need the most room. A six-piece dining set with cushions typically needs 130 to 150 gallons. A four-piece set fits in 75 to 100 gallons. Pool toys and towels fit comfortably in 60 gallons. Garden hand tools, small watering cans, and bagged soil need 30 to 50 gallons. If you store all of the above, plan on two boxes or one 150-gallon unit.
Material: resin vs HDPE vs wood
Most modern deck boxes use either polypropylene resin or high-density polyethylene (HDPE). Polypropylene is lighter, less expensive, and easier to mold into wood-grain textures. HDPE is denser, more impact resistant, and holds up better in extreme temperatures, which is why the Lifetime 60012 uses it. Real wood boxes look stunning but require annual sealing and stain. For most buyers, polypropylene resin offers the best balance of price, weight, and durability.
Weather resistance vs waterproof
There is a real distinction between water-resistant and waterproof boxes. Water-resistant boxes use a basic lid seal that handles light rain but may leak during heavy storms or wind-driven rain. Waterproof boxes add a deeper lid overlap, gaskets, or drainage channels that keep contents dry through serious weather. For uncovered patios, pool areas, or storm-prone regions, choose a waterproof model. For covered patios, water resistance is usually enough.
Lockable features and security
If you share a yard with kids, store valuables, or have a pool area where liability matters, a lockable lid is essential. Most boxes in our roundup accept a standard padlock through a built-in hole in the latch. The EAST OAK adds a slide-locking latch for extra security. The Keter Westwood and Lifetime 60012 both have reinforced latch plates that resist prying. Budget boxes often have weaker latch mechanisms that flex under pressure.
Ventilation and mildew prevention
Few competitors address ventilation, but it matters if you store anything damp. Wet pool towels, freshly rinsed garden tools, or cushions after a rainstorm all carry moisture into the box. Without airflow, that moisture turns into mildew in a week. The Devoko and Keter boxes have small ventilation gaps in the side panels that allow some airflow. For high-moisture storage, leave the lid slightly cracked during dry days or toss in a desiccant pack.
Assembly and maintenance
Most deck boxes require 20 minutes to 2 hours of assembly. Keter models typically snap together without tools. Lifetime models need a rubber mallet and a screwdriver. Devoko boxes fall in the middle with mostly tool-free assembly but occasional alignment challenges. Once assembled, maintenance is minimal. Rinse with a garden hose once a season, check the lid hinges for debris, and avoid dragging the box across rough concrete, which can crack the bottom panel.
Frequently Asked Questions
What is the best material for an outdoor storage box?
Resin and high-density polyethylene (HDPE) are the best materials for outdoor storage boxes in most climates. Resin is lightweight, weather-resistant, and easy to mold into wood-grain textures. HDPE is denser, more impact resistant, and handles extreme temperatures better, which is why premium brands like Lifetime use it. Real wood boxes look beautiful but require annual sealing and stain to prevent rot.
What is the best outdoor waterproof storage box?
The Keter Westwood 150 Gallon and Lifetime 60012 130 Gallon are the most waterproof options in our testing. Both feature reinforced lid seals that kept contents dry through heavy storms. For budget shoppers, the Devoko 100 Gallon offers solid waterproofing at a lower price point. The Suncast 73 Gallon is another fully waterproof choice with a stylish wicker finish.
What size deck box do I need for my patio?
Match the box size to your largest storage need. A full six-piece patio cushion set requires 130 to 150 gallons. A four-piece set fits in 75 to 100 gallons. Pool toys and towels fit comfortably in 60 gallons. Garden hand tools need 30 to 50 gallons. Measure your patio first and leave at least 18 inches of clearance around the box for lid operation.
Which deck box is better, Keter or Suncast?
Keter offers more size options, hydraulic pistons on premium models, and lighter weight construction. Suncast focuses on fewer models with wicker-style finishes and reports strong long-term durability, with some owners reporting 4 to 11 years of use. For maximum capacity and piston-driven lids, choose Keter. For furniture-matching aesthetics and proven longevity, choose Suncast.
Can outdoor storage boxes be used as seating?
Yes, most deck boxes support seating, with weight ratings from 220 pounds for compact models to 900 pounds for the Lifetime 60012. The Keter Westwood supports 660 pounds. The EAST OAK 60 Gallon supports 660 pounds. The Suncast 73 Gallon supports 300 pounds. Always check the manufacturer’s weight rating before seating multiple adults, and avoid using the box as a step stool.
Final Verdict: Which Outdoor Storage Box Should You Buy in 2026?
After six weeks of testing, our team agreed on three top picks for the best outdoor storage boxes. The Keter Westwood 150 Gallon is the best overall for most patios, with hydraulic pistons, a 660-pound seating rating, and proven weather resistance. The Devoko 100 Gallon is the best value, with solid waterproofing at a lower price per gallon. The Devoko 30 Gallon is the budget pick for shoppers who need basic storage without paying premium prices.
Before you click buy, measure your patio and decide what you will store most often. A 150-gallon box on a 6-by-6 foot patio will swallow the entire deck. A 30-gallon box will frustrate anyone storing full cushion sets. Use our buying guide above to match capacity to your storage needs, then pick the box that fits your climate and budget. Whichever model you choose, your cushions, pool toys, and garden gear will thank you the next time a storm rolls through.
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