Greesum GS-OSB 100-Gallon Outdoor Storage Box

1 / 7

Product guide

Greesum GS-OSB 100-Gallon Outdoor Storage Box

The Greesum GS-OSB is a 100-gallon polypropylene outdoor storage box with a hinged lid, side handles and a claimed lockable design. Its listed size is suited to patio or garden storage, but customer feedback is mixed on sturdiness and whether the lid closes securely.

At a glance

The 100-gallon interior is presented for patio items, garden tools and pool supplies.
The listing describes side handles for moving the box and a hydraulic lid support for opening and closing.
The manufacturer says the box can also serve as a table or bench, but provides no stated weight limit in the product details.
Assembly instructions are listed as included, and the feature description says one person can assemble it.

Price

$70.96Save 29%

Reference price: ~~$99.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Greesum Outdoor Storage Box 31 Gallon Storage Box with Lid for Patio Furniture, Garden Tools, Pool Supplies, Waterproof and UV Resistant, Lockable, Dark Black

$29.99

MAIUSCOLI 35 Gallon Outdoor Deck Box Lockable Waterproof Storage Black | Heavy-duty resin container for indoor and outside use. Patio cushions, garden equipment, accessories, outdoor

$28.99

Pros and cons

Pros

Large stated capacity for outdoor cushions and garden or pool gear.
Side handles and a supported lid are intended to make moving and opening the box easier.
Customer feedback describes assembly as easy and reports useful storage space.

Cons

Customer feedback is mixed on sturdiness and lid closure, with some reporting that the lid does not latch all the way.

Technical specifications

14 specifications

Identity
Brand	Greesum
Model	GS-OSB
Style	Deck Box
Color	Black

Capacity and dimensions
Capacity	100 gallons
Dimensions (L × W × H)	48"L x 26.8"W x 22.4"H
Compartments	1

Materials and protection
Material listed	Polypropylene
Water resistance listed	Waterproof

Lid and handling
Closure	Flip Top
Opening mechanism	Hinge
Special feature	Lockable

Dimensions and installation
Weight listed	33.1 pounds
Assembly instructions	Included, easy to follow

What to know before buying

The listing presents the box as lockable, but customer feedback is mixed on whether the lid closes securely. Treat the locking claim as a feature, not proof of a secure latch. The manufacturer also describes a bench/table use without stating a weight limit.

What’s in the box

Included

Deck box

Who is it for?

A good fit for

Buyers seeking a single large outdoor box for patio cushions, garden equipment or pool supplies.
People who want a hinged-lid storage box with side handles and a stated 100-gallon capacity.

Less suited to

Buyers who need confirmed secure latching or a specified load limit for seating use.
Shoppers who need a verified weather-sealing performance standard beyond the listing's waterproof claim.

Greesum GS-OSB 100-Gallon Outdoor Storage Box · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 1,009 ratings

5 stars74%74%
4 stars12%12%
3 stars5%5%
2 stars2%2%
1 star7%7%

Customer feedback highlights easy assembly, useful storage space, appearance and perceived quality. Some customers say it holds several full-size chair cushions. Sturdiness and lid closure are mixed, including reports that the lid may not latch all the way. For buyers storing outdoor gear, the capacity and assembly feedback are encouraging, while the mixed closure reports matter if a reliably secured lid is important.

Positive themes

Customers describe assembly as easy and the storage space as useful.
Customers express positive views of the appearance and perceived quality.

Mixed feedback

Feedback is mixed on sturdiness, with some finding it sturdy and others not.
Feedback is mixed on lid closure, including reports that it does not latch all the way.

Frequently asked questions

How much can this Greesum box hold?

The listed capacity is 100 gallons. Customer feedback describes using it for patio items and full-size chair cushions, though actual fit depends on the items.

What are the box dimensions?

The listed dimensions are 48 inches long, 26.8 inches wide and 22.4 inches high.

Does it have a supported lid?

The feature description says it has a hydraulic stand or support for opening and closing. Customer feedback is mixed about whether the lid closes and latches securely.

Can it be used as a bench?

The manufacturer says the box can be used as a table or bench, but the listing does not provide a specific weight limit. Check the intended load before using it for seating.