Flamaker Outdoor Storage Box 100 Gallon Waterproof Resin Deck Box

Our review of the Flamaker Outdoor Storage Box finds it to be a practical choice for homeowners who need a weatherproof, multiuse storage solution for patios, pool areas, or balconies. It stands out primarily for combining a large 100 gallon capacity with a waterproof, UV resistant resin shell, so cushions and pool accessories stay dry and protected. Assembly can vary by user, but once set up the box functions well as both a storage bin and a small seat or side table, making it a useful addition for outdoor living spaces.

Key Features

• Waterproof and UV resistant: The resin construction keeps the interior dry and prevents exterior fading so items stay protected outdoors.
• Metal reinforcement bar: A reinforced top cover reduces bending under sun and rain, preserving the lid shape over time.
• Lockable lid: The lid includes a locking hole so belongings can be secured against loss or casual access.
• Slow-close air rods: Built-in air rods let the lid open and close slowly to reduce the risk of hand clipping while accessing contents.
• Dual handles and portability: Two handles on each side make it easier to move the box short distances despite its size.
• Seat or side table function: The sturdy resin top supports up to 150 lb so it doubles as occasional seating or a side table.

Who It's For

This deck box is best for homeowners or renters who need a sizable, weatherproof container for patio cushions, pool accessories, garden tools, or kids toys and who value a tidy appearance on a porch or poolside. It is also useful for those who want a dual-purpose piece that can act as seating or a small table when guests are over.

If you want a large, permanent storage solution with minimal assembly, this is a solid choice; shoppers who need a very heavy-duty commercial locker or who cannot assemble a multi-piece resin unit by themselves may want to look at simpler one-piece chests or professionally installed cabinetry instead.

Pros & Cons

Pros

• Spacious 100 gallon interior holds several cushions or a mix of accessories and tools.
• Waterproof resin and UV resistance protect items and appearance in outdoor conditions.
• Reinforced lid and slow-close air rods improve durability and safe use.
• Functions as a seat or side table, adding utility beyond storage.

Cons

• Assembly experiences vary; some users may find putting the panels together challenging.
• Color may vary slightly from photos due to monitor and lighting differences.

Specifications

Capacity	100 gallon
Material	Resin and polypropylene
Weather resistance	Waterproof and UV resistant
Top reinforcement	Metal reinforcement bar
Max seat weight	150 lb
Handles	Two handles on each side

Our Verdict

The Flamaker Outdoor Storage Box is a practical, good-value option for most homeowners who want weatherproof outdoor storage with added versatility as seating. It balances capacity, durability, and useful features like a lockable lid and air rods, making it a sensible choice for patios and poolside spaces where protection from the elements matters.

Frequently Asked Questions

Is this box waterproof?
Yes. The resin construction is designed to be waterproof and UV resistant to keep contents dry and reduce fading.

Can the top be used as a seat?
Yes. The top is sturdy enough to serve as occasional seating with a maximum recommended weight of 150 lb.

Does it include a lock?
The lid has a locking hole so you can add a padlock to secure items, but a padlock is not included.