Outdoor Storage Box Cover for Keter XXL 230 Gallon - Waterproof

In this review the Outdoor Storage Box Cover for Keter XXL 230 gallon containers is evaluated for homeowners who need reliable all-season protection for large deck storage boxes. The bottom line: this cover fits large containers up to about 58 x 33 x 34 in and delivers straightforward waterproof protection with vents and carry handles, making it a practical, no-frills choice for anyone who wants to keep a big outdoor storage box dry and clean through rain, snow and sun.

Key Features

• Right-sized fit: The 58 x 33 x 34 in dimensions are sized specifically for Keter XXL 230 gallon plastic deck storage boxes and similar large containers, giving a tailored cover with minimal excess material.
• Waterproof material: Durable oxford fabric with a PU coating on the inside helps resist rain and snow so stored items stay drier than with an uncovered box.
• Ventilation: Vents on both sides reduce condensation by allowing air to flow inside the cover, which helps prevent trapped moisture on wet days.
• Handled convenience: Built-in handles make it much easier to pull the cover on or off a heavy storage box without struggling to reach or grip awkward edges.
• Easy maintenance: The cover rinses clean with water and dries quickly, and it folds away for compact storage when not in use.

Who It's For

This cover is aimed at homeowners and renters with large deck or patio storage boxes, particularly owners of Keter XXL 230 gallon style containers or similar-sized metal or plastic boxes who want a simple waterproof barrier against the elements. It works well for people storing cushions, garden tools, feed, or seasonal gear that need protection from rain, snow and sun.

It may be less suitable for buyers who want reinforced storm straps or a thicker, heavy industrial fabric; some users comment the material feels lighter than heavy-duty tarpaulin and opinions on thickness vary, so those needing maximum abrasion resistance should consider commercial-grade alternatives.

Pros & Cons

Pros

• Good fit for large 230 gallon-style boxes, reducing billowing in wind.
• Waterproof PU-coated oxford fabric keeps rain and snow off stored items.
• Side vents and handles improve usability and reduce interior condensation.
• Easy to clean and fold away when not used.

Cons

• Material thickness impressions are mixed; some users find it thinner than expected for heavy wear situations.
• No heavy-duty anchoring system included for very high-wind exposure.

Specifications

Size	58 x 33 x 34 in
Compatible Container	Keter XXL 230 gallon plastic deck storage box and similar sized boxes
Material	Oxford fabric with waterproof PU coating (inside)
Features	Side vents, carry handles
Protection	All-season: dust, rain, snow, sun
Care	Rinse with water and air dry; folds for storage

Our Verdict

For owners of large deck storage boxes who want a practical waterproof cover, this product offers sensible protection at a reasonable value, with useful vents and handles that improve daily use. It is a good choice if you need reliable weather resistance and easy maintenance, though buyers wanting the thickest industrial fabric or built-in heavy anchors may need to look elsewhere.

Frequently Asked Questions

Will this fit my 220-230 gallon storage box?
Yes, the 58 x 33 x 34 in dimensions are intended for Keter XXL 230 gallon boxes and have been reported to fit similar 220-230 gallon boxes with a close, protective fit.

How do vents help?
The vents let air circulate to reduce condensation inside the cover after rain, helping keep the interior drier than a fully sealed cover would.

How do I clean the cover?
Rinse off dirt with water, let it air dry, and fold it away; the PU-coated oxford fabric is designed for simple maintenance.