Best Outdoor Deck Boxes for Cushions and Tools

Our picks for an outdoor deck box from Keter, Lifetime and Suncast: a 150-gallon box that seats two, a heavy-duty 130-gallon chest with a 10-year warranty, a rolling 73-gallon box and a small 22-gallon seat for balconies. Plus how to size one for your cushions and keep them dry.

By Tyler RamirezUpdated November 9, 2026How we pick products

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A deck box is a lidded resin chest that sits outside and keeps cushions, pillows, pool toys and hand tools out of the sun and rain. Most also have a flat lid you can sit on, so they double as extra seating.

Two numbers matter more than the brand. How big are your cushions? Gallons tell you the total volume, but the inside length and depth decide what fits flat. A box that’s 150 gallons on paper won’t help if your chaise cushion is longer than the inside of it. Where will it sit? Measure the spot, and remember the lid needs room to swing open. Under a window or a porch railing, that clearance is often the limit.

At a glance

Specs come from Keter's and Suncast's own product pages, the Amazon listings and WebstaurantStore's spec sheet for the Lifetime 60012. Lifetime lists its 900 lb figure as weight capacity; Keter calls its 660 lb number loading capacity.

1. Keter Westwood 150 Gallon Deck Box: Best overall

Good fit for: A full patio set’s worth of cushions, with a bench you can actually sit on.

The Westwood is the box most people with a deck and a cushioned sofa set should look at first. It’s 61 inches long on the outside and about 56 by 24.6 by 22.8 inches inside, and Keter’s own sizing diagram shows it holding twelve 22-by-22-by-3-inch seat cushions. That’s enough for a loveseat, two chairs and the throw pillows. Keter rates the lid for 660 lbs, and the Amazon listing says it seats two adults.

The resin is molded with a wood-grain pattern, so it looks more like a piece of furniture than a plastic tub. It’s UV and weather resistant, and a metal latch on the front takes a padlock if you want to lock it. The version we link is the dark gray (Keter calls it Graphite). Keter also sells it in brown and lighter grays.

What bugs us: It’s a big box. At five feet long and almost 2.5 feet deep, it takes up real deck space, and the padlock is extra. Keter’s warranty is two years, much shorter than Lifetime’s or Suncast’s.

Skip it if: your deck is small or you only store a couple of cushions. The Suncast 73-gallon box is far easier to place.

2. Lifetime 60012 130 Gallon Deck Box: Most durable

Good fit for: People who want a box that lasts, and who will store heavier things like hoses, bags of potting soil or pool gear.

Lifetime builds the 60012 from UV-protected high-density polyethylene. The lid hangs on powder-coated steel hinges and opens past 90 degrees, and its spring hinge keeps it from slamming shut. It’s lockable, and Lifetime backs it with a 10-year limited warranty, the longest here.

Inside it’s about 57.5 by 22.5 by 23.4 inches, close to the Keter in length but a little narrower. WebstaurantStore’s spec sheet lists a 900 lb weight capacity.

What bugs us: The desert sand and brown look is plain next to the wood-grain Keter. Some buyers say they had to fiddle with the hinges to get the lid to sit evenly during assembly.

Skip it if: looks matter most and it’ll sit right next to your patio furniture.

3. Suncast DB7500ST 73 Gallon Deck Box with Wheels: Best rolling box

Good fit for: Smaller patios, and anyone who moves the box around or puts it away for winter.

The DB7500ST is the box to get if you want something you can move. It has built-in wheels and a handle, which makes it easy to pull out of the way for a party, or roll into the garage when the cushions go inside for the season.

At 73 gallons, it holds a loveseat’s worth of seat cushions, throw pillows or a pile of pool noodles. The flat lid seats up to 300 lbs, and at about 46 by 23.75 inches it fits along a wall or under a porch railing where the five-foot boxes won’t. Suncast covers it with a five-year limited warranty.

What bugs us: It holds about half as much as the 150-gallon Keter, so a full sofa set’s cushions probably won’t all fit. Long chaise lounge cushions won’t lie flat.

Skip it if: you need to store cushions from a full sectional. Go big with the Keter or Lifetime instead.

4. Suncast SS601ST 22 Gallon Small Deck Box: Best for balconies

Good fit for: Balconies, front steps, poolside towels and small garden tools.

Not every outdoor space has room for a chest. The SS601ST is about 22 inches wide, 17 inches deep and 20.5 inches tall, roughly the size of a small side table. The reinforced lid holds 200 lbs, so it works as a stool or a spot to sit and pull your boots on. It weighs around 11 lbs, light enough to carry inside when a storm is coming. Suncast backs it with a five-year limited warranty.

It’s a good home for a couple of throw pillows, outdoor tablecloths, gardening gloves and a hand trowel, or the towels and sunscreen by a pool.

What bugs us: Regular seat cushions for a dining or lounge chair usually won’t fit, and it’s too small and light for heavy tools.

Skip it if: you need cushion storage for a whole furniture set.

How we picked

We looked at resin deck boxes from Keter, Lifetime and Suncast, three long-running outdoor storage brands. We wanted a range of sizes, from a balcony seat to a full patio set’s worth of cushion storage. We compared each one using the makers’ product pages, spec sheets and sizing diagrams, and we read buyer reviews for common complaints. We looked for:

• Inside dimensions, not just gallons
• Lid strength, since people will sit on it
• Locking: a latch or hasp that takes a padlock
• Moving it: wheels, handles or light weight
• Warranty length, which ranges from two to ten years here

We haven’t tested these deck boxes ourselves. Read more about how we pick products.

How to size a deck box for your cushions

1. Count everything that goes in. Seat cushions, back cushions, throw pillows and any chaise pads.
2. Measure the biggest cushion. Length and width decide whether it lies flat. Compare these to the box’s inside measurements, which are always a few inches smaller than the outside.
3. Stack by thickness. Add up the thickness of the cushions you’ll stack. Thick deep-seat cushions eat space fast. A 22-inch-tall interior holds about five 4-inch cushions in a stack, a little less if they’re puffy.
4. Leave room. Cushions packed in tight dry slower and get musty. Aim to fill the box about three-quarters full.

As a rough guide, a 20- to 30-gallon box suits a few pillows or a balcony, 70 to 100 gallons fits a loveseat’s or bistro set’s cushions, and 120 to 150 gallons fits a full patio set or a sectional.

Keeping things dry inside

Resin deck boxes are water resistant, not waterproof. Driving rain can blow in around the lid, and water can wick up through the floor if the box sits in a puddle. A few habits help a lot:

• Put cushions away dry. A damp cushion shut in a box is how mildew starts. After rain, stand cushions on edge in the sun first.
• Raise it off the ground. Set the box on a couple of deck boards, pavers or plastic shims so water can drain under it.
• Pick a sheltered spot. Under an overhang or against a wall that blocks the wind keeps most water out.
• Add a moisture absorber. A hanging moisture-absorbing bag or a few silica gel packs help in humid climates.
• Air it out. Open the lid on dry, sunny days now and then, and wipe out any condensation.

If your cushions do get a musty smell, our guide to cleaning a fabric couch covers the same basic steps.

Still wondering?

Can I sit on a deck box? Most are built for it. The lid ratings here range from 200 lbs on the small Suncast to 660 lbs on the Keter and a 900 lb capacity on the Lifetime. Sit near the middle of the lid, not on the edge.

Can I leave a deck box out all winter? Yes, resin boxes handle cold and snow. Plastic gets more brittle in deep cold, though, so don’t stand on the lid or slam it in freezing weather. Many people bring their cushions inside for winter anyway and use the box for pool or garden gear.

Do deck boxes lock? All of these have a latch or lid that accepts a padlock, but none come with one. A lock keeps kids and curious neighbors out. It won’t stop someone determined to cut through plastic.

Will a deck box damage my deck boards? It can trap moisture against wood. Lifting it on shims or pavers lets air move under it and helps both the box and the deck.

Can I store gas cans or propane in a deck box? No. Keep fuel and propane tanks in an open, ventilated spot away from the house, not sealed in a box in the sun.