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Bettesworth Construction
bench dimensions

Outdoor Storage Benches: How to Choose the Right Size, Capacity and Material

The documented storage-bench options here are resin, not vinyl. Compare their interior fit, footprint, capacity, seating or lid rating, weather claims and warranty before choosing.

By Bettesworth Construction Team 3 min read
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If you want a bench with built-in storage, check the material and the exact model specifications before buying. The documented storage benches below are made of resin, not vinyl. A separate PVC-vinyl bench from DuraTrel has no storage compartment described on its product page, so “vinyl storage bench” is not a verified description for these examples.

What to compare before choosing an outdoor storage bench

Start with the items you plan to store and compare their dimensions with the bench’s interior measurements. Capacity in gallons is useful for comparing overall volume, but it does not tell you whether a bulky cushion or long tool will fit through the opening. Then check the exterior footprint, the manufacturer’s seating or lid-load information, assembly requirements and warranty.

  • Material: Confirm whether the product is resin or PVC vinyl; the terms are not interchangeable.
  • Fit: Use interior dimensions for stored items and exterior dimensions to plan patio space.
  • Seating: A statement that a bench seats adults is not the same as a published load rating. For a storage seat, check the exact lid capacity where available.
  • Weather claims: Treat descriptions such as “weather resistant,” “water resistant” or “dry storage” as manufacturer claims, not a guarantee against every storm or exposure.
  • Warranty and setup: Compare the stated warranty and whether assembly or tools are required.

How the documented storage-bench models compare

Model Material and capacity Dimensions Seating or load information Other stated details
Keter Solana 70-gallon (Grey 250295) Resin; 70 gallons Exterior: 55.1 × 23.6 × 33 in; interior: 50.4 × 19.5 × 14.9 in 551 lb loading capacity; manufacturer says it accommodates two adults Lockable storage; manufacturer describes the interior as dry and ventilated and the resin as UV-protected and weather resistant.
Rubbermaid Patio Storage Bench (FG376401OLVSS) Resin; 32 gallons 53 × 23.75 × 31.05 in; interior dimensions not stated on the cited page Manufacturer says it seats two adults; a numeric load rating is not stated on the cited page. Assembly required; one-year limited warranty. Rubbermaid describes its resin as all-weather and says it protects contents from moisture and sun damage.
Suncast SS601ST 22-gallon small storage seat Resin; 22 gallons Exterior: 22 × 17 × 20.5 in; interior: 20.5 × 15.5 × 17 in Lid capacity: 200 lb Manufacturer describes it for indoor or outdoor use and says its construction provides water resistance and UV protection. Five-year limited warranty; no tools required for assembly.

These are manufacturer-listed specifications and claims, not independent durability or performance test results. The products differ in capacity and footprint; choose based on the items you need to store and the space available rather than treating capacity alone as a ranking.

When “vinyl” does—and does not—describe the product

DuraTrel’s six-foot #11125 bench is described as PVC vinyl reinforced with wood inserts. Its listed seat measures 72 × 11 × 16 in, and the manufacturer states a 20-year warranty. The product page discusses UV protection and low maintenance but does not describe a storage compartment. It is therefore an example of a vinyl bench, not evidence of a vinyl storage bench.

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#1 Best Overall
Devoko 80 Gallon Storage Bench Deck Box Waterproof&Lockable
  • Optimal Size:Exterior: 52.8 in. L x 22.6 in. W x 32. 3 in. H / Interior: 48. 4 in. L x 22.4 in. W x 16.9 in. H, blends perfectly into a variety of patio styles, saving space without sacrificing practicality
  • Large Capacity: With up to 80 gallons of storage space hidden under its seat, it easily meets your various storage needs and makes the yard more neat and organized
  • Safety of use: Three steel bars have been added to the case to make it stronger. There are locking holes on the case. It can be locked to keep the box's contents safe
  • Extra Seating: Provides comfortable bench seating for two or three with a weight capacity of 400 lbs.making it a great choice for outdoor gatherings
  • Versatile Storage: Whether it's outdoor patio furniture cushions, pool accessories or beach towels, Devoko is the ideal storage option to make your outdoor life easier and more enjoyable

For the storage models above, the documented material is resin. If vinyl construction is essential, verify that the exact product listing identifies both vinyl material and built-in storage; neither feature should be inferred from a general product title or appearance.

Will a storage bench keep contents dry, and can you sit on it?

Manufacturers make different weather-protection claims: Keter describes the Solana’s storage as dry and ventilated; Rubbermaid says its bench protects contents from moisture and sun damage; and Suncast describes its model as water resistant with UV protection. Those statements do not establish waterproof performance under every condition, such as wind-driven rain or flooding.

Rank #2
Greesum 80 Gallon Storage Bench Outdoor Deck Box with Armrest, Black
  • Large Capacity: A 80-gallon hidden storage compartment under the seat allows you to store a variety of items, helps you keep your environment neat and increase space utilisation.
  • Comfortable Ride: The bench seat is spacious enough. Seats 2-3 people with a weight capacity of 550 lbs. The backrest and armrests are designed to provide a better experience.
  • Durable: The weather-resistant polypropylene construction resists rust, water and UV rays, and also comes with reinforcement bars for use outdoors in a variety of weather conditions.
  • Safe and Secure: The storage bench can be locked to keep pets out, ensuring that your belongings are stored safely outside. Padlock to be purchased separately.
  • Aesthetically Pleasing: Good looks and feel complement any environment.

Likewise, do not assume every storage-box lid can safely serve as a seat. Keter publishes a 551 lb loading capacity and says the bench accommodates two adults; Suncast publishes a 200 lb lid capacity. Rubbermaid states seating for two adults but does not publish a numeric load rating on the cited page. Follow the exact model’s instructions and ratings.

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Practical fit checks for a patio or deck

  1. Measure the available floor area, allowing room to open the lid and access the contents.
  2. Measure the largest item you plan to store, then compare it with interior dimensions—not just the listed exterior size or gallon capacity.
  3. Decide whether you need a bench for regular seating or a smaller seat for occasional use, and use only the manufacturer’s stated load information.
  4. Review the material, weather language, assembly requirements and warranty on the exact model page before purchase.

A lockable lid, such as the one Keter lists for the Solana, is a feature for securing the compartment; the cited specifications do not establish a theft-resistance rating.

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Quick Recap

Bestseller No. 2
Greesum 80 Gallon Storage Bench Outdoor Deck Box with Armrest, Black
Greesum 80 Gallon Storage Bench Outdoor Deck Box with Armrest, Black
Aesthetically Pleasing: Good looks and feel complement any environment.
$139.99
SaleBestseller No. 3
Keter Solana 70 Gal Outdoor Storage Bench for Patio and Pool Accessories
Keter Solana 70 Gal Outdoor Storage Bench for Patio and Pool Accessories
LARGE CAPACITY: 70 gallons of extra hidden storage underneath the seat; LOCKABLE: Works with standard padlocks, which are sold separately
$160.31
Bestseller No. 4
Keter Solana 70 Gal Outdoor Storage Bench for Patio and Pool Accessories
Keter Solana 70 Gal Outdoor Storage Bench for Patio and Pool Accessories
LARGE CAPACITY: 70 gallons of extra hidden storage underneath the seat; LOCKABLE: Works with standard padlocks, which are sold separately
$188.67
Best Value
Keter Westwood 150 Gal Outdoor Storage Box for Patio and Pool Accessories
  • LARGE OUTDOOR STORAGE BOX: Fashionably store your outdoor furniture cushions, pool floats, and more. This outdoor storage bench offers lots of convenient, lockable storage space and has enough room to seat 2 adults.
  • VERSATILE DECK BOX: This multipurpose outdoor storage container has a large interior with a 150-gallon storage capacity and gives you extra seating for those big backyard parties or a place to rest after working in your yard.
  • DURABLE & ATTRACTIVE RESIN CABINET: This deck storage box is attractive and rugged and is made from strong, durable resin with a wood-plank look. It has an easy-lift mechanism for an effortless open and a quiet close.
  • ALL-WEATHER-RESISTANT: The all-weather-resistant materials make this low-maintenance patio storage easy to use and enjoy for years to come. Unlike real wood, the thick exterior resin prevents rusting, peeling, and denting.
  • BETTER WITH KETER: We are driven to invent. We create lifestyle solutions for use in and around the home in ways that only we can. We design using sustainable and innovative technologies to create products that enhance people's spaces and elevate their experiences.
Rank #4
Keter Solana 70 Gal Outdoor Storage Bench for Patio and Pool Accessories
  • IDEAL SIZE: Exterior: 54. 6 in. L x 23. 4 in. W x 32. 8 in. H / Interior: 50. 4 in. L x 19. 7 in. W x 15 in. H
  • LARGE CAPACITY: 70 gallons of extra hidden storage underneath the seat
  • RESIN CONSTRUCTION: It's made out of all weather-resistant resin with an appealing wood-look texture
  • DURABLE AND STRONG: Weather-resistant polypropylene construction prevents rusting, peeling and denting - unlike real wood
  • EXTRA SEATING: Provides comfortable bench seating for two or three with a weight capacity of 551 lbs.
Rank #3
Sale
Keter Solana 70 Gal Outdoor Storage Bench for Patio and Pool Accessories
  • IDEAL SIZE: Exterior: 54. 6 in. L x 23. 4 in. W x 32. 8 in. H / Interior: 50. 4 in. L x 19. 7 in. W x 15 in. H
  • LARGE CAPACITY: 70 gallons of extra hidden storage underneath the seat
  • RESIN CONSTRUCTION: It's made out of all weather-resistant resin with an appealing wood-look texture
  • DURABLE AND STRONG: Weather-resistant polypropylene construction prevents rusting, peeling and denting - unlike real wood
  • EXTRA SEATING: Provides comfortable bench seating for two or three with a weight capacity of 551 lbs.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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