★★★★★ 4.9/5 — 25,000+ Happy Customers

31-Gallon Outdoor Storage Box
Waterproof & UV-Resistant • Zero Assembly

Sick of storage boxes that crack, leak, or look like trash after one summer? 100% waterproof, UV-stabilized resin that won't fade. Strong enough to sit on (250 lbs). Light enough to move anywhere (only 9 lbs).

£29.99 £90.00 SAVE 67%

Selling fast! Last 8 restocks sold out in under a week. Act fast before it's gone again.

🎁 Free Gift Included Waterproof Inner Liner Bag (£20.99 value) with every order!

1× Storage Box

31-Gal • Waterproof • UV-Resistant • Zero Assembly

£29.99

2× Storage Box EXTRA £5 OFF

Front porch + backyard — double the storage 🏠

£54.98

🔒 Secure Checkout 🚚 Free Express Shipping 💯 30-Day Guarantee 📦 Ships in 2 Days

📐 Specifications

Capacity	31 Gallons (117 Litres)
Dimensions	58L × 43W × 53H cm
Weight	4.1 kg (9 lbs)
Lid Capacity	Supports up to 113 kg (250 lbs)
Material	Weather-Resistant Resin
Water Resistance	100% Waterproof
UV Protection	Full UV Stabilization
Assembly	None Required

📦 What's Included

✓ 1× 31-Gallon Storage Box with Stay-Open Hinged Lid ✓ FREE: Waterproof Inner Liner Bag (£20.99 value) ✓ Ready to use out of box — zero assembly, zero tools.

🚚 Free Shipping & Returns

Shipped via DHL Express / FedEx Priority. 3–5 business days worldwide. Full tracking provided. 30-day hassle-free returns.

🔒 Secure Payment

256-bit SSL encryption. PCI-DSS compliant. Stripe, PayPal, Visa/Mastercard Secure Code. Banking details never stored.

Your Patio Shouldn't Look Like a Storage Unit.

The Lumen Storage Box gives you 31 gallons of weatherproof space that actually looks good sitting on your deck — not like a cheap plastic eyesore waiting to crack. From cushions and pool toys to garden tools and pet supplies, it keeps everything bone-dry and out of sight. Drop it anywhere, toss your stuff in, and take back your outdoor space.

Why You'll Love It

🌧️

Set It and Forget It

Throw your cushions in, close the lid, and stop checking the weather. Rain, storms, sprinklers — nothing gets in. Ever.

☀️

UV-Proof Resin

While your neighbour's bin turns chalky and cracked, yours stays deep black and solid. UV-stabilized resin doesn't care how brutal your summers get.

🪑

Storage That Doubles as Seating

BBQ with extra guests? No problem. The lid holds 250 lbs without flinching. It's furniture that earns its spot on your patio.

🏃

Move It Anywhere in Seconds

Only 9 lbs. Drag it poolside. Tuck it under a bench. Bring it to the balcony. No help needed, no back pain required.

How to Use — 3 Simple Steps

Unbox & Place

Remove from packaging and place it anywhere you need. Patio, deck, poolside, balcony. No assembly, no tools, done in seconds.

Load Your Stuff

Open the lid and toss in cushions, toys, tools, whatever. The stay-open hinge keeps both hands free while you organise.

Close & Forget

Press the lid down until it clicks. Sealed tight against rain, storms, and sprinklers. Your stuff stays dry, you stop worrying.

⭐ What 25,000+ Customers Are Saying

Roger M. — Chicago

★★★★★

"Perfect for My Small Balcony. I live in an apartment with a tiny balcony and needed something that wouldn't take over the space. This fits perfectly in the corner, holds my chair cushions plus some gardening supplies. Exactly what I needed."

✓ Verified Purchase

Jennifer T. — San Diego

★★★★★

"Survived Hurricane Season Without a Drop Inside. We live in Florida and I've thrown away three 'waterproof' storage boxes in four years. This one just went through its second hurricane season and everything inside stayed completely dry."

✓ Verified Purchase

Kelly S. — Austin

★★★★★

"Finally, a Lid That Stays Open. The hinged lid that actually stays up is a game changer. I have a bad shoulder and couldn't deal with holding lids open while digging around anymore. Sounds small but it makes such a difference."

✓ Verified Purchase

Mike B. — Denver

★★★★★

"Doubled as a Bench at Our BBQ. Bought this mainly for cushion storage but discovered it holds weight really well. Had 8 people over for a cookout and two guests sat on it the entire evening. Didn't flex, didn't budge."

✓ Verified Purchase

Frequently Asked Questions

Is it actually 100% waterproof?

Fully waterproof. The precision-molded lid creates a complete seal with no gaps. Tested in simulated rainfall of 6+ inches per hour with zero water penetration. Your cushions, electronics — everything stays completely dry through any storm.

Will it fade or crack in direct sunlight?

No. The resin contains UV stabilizers that prevent photodegradation. Units in Arizona and Florida backyards for 2+ years show no fading or structural changes. The dark colour actually helps mask surface dust between cleanings.

Can I actually sit on it?

Yes. The reinforced lid supports up to 250 lbs (113 kg) of static weight. Customers regularly use it as overflow seating during gatherings. It won't flex, warp, or feel unstable.

How much can it actually hold?

31-gallon (117L) capacity fits: 4 standard patio chair cushions, OR a 50-foot garden hose coiled flat, OR 6–8 pool noodles plus goggles and toys, OR 50+ lbs of birdseed or pet food. Rectangular shape maximizes usable space.

Does the lid actually stay open on its own?

Yes. The hinged design includes a pneumatic-assist mechanism that holds the lid at ~95° when fully opened. It won't slam shut on your hands. To close, just press down gently until you hear the soft click of the seal.

Is assembly required?

None. It arrives fully assembled and ready to use. Remove from packaging, place where you want it, and start storing immediately. No tools, no hardware needed.

31-Gallon Outdoor Storage Box
Waterproof & UV-Resistant • Zero Assembly

Your Patio Shouldn't Look Like a Storage Unit.