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Ohuhu 21 Cu Ft Roof Bag (595L) | Waterproof Car Roof Bag

Free up your boot with 595L of weatherproof roof storage.

A 21 cu ft waterproof roof bag built from 840d pvc, double-layer rain flap, no roof rack required.

£83.99 inc. VAT
Fast, FREE delivery across the UK on all orders £90 or more (save £20). Orders under £90 pay a flat £20 delivery.

The Ohuhu 21 Cu Ft Roof Bag (595L) adds 595 litres (21 cubic feet) of weatherproof storage to the roof of almost any car, so bulky luggage, camping gear or sports equipment stays out of the cabin and boot.

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Price: £83.99

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595L Capacity21 cubic feet of extra luggage space on your roof
Fully Waterproof840D PVC, double-layer rain flap
5 Straps & HooksFits cars with or without a roof rack
Folds Flat For StoragePacks away into its own storage bag when not in use

Ohuhu 21 Cu Ft Roof Bag (595L)

The Ohuhu 21 Cu Ft Roof Bag (595L) adds 595 litres (21 cubic feet) of weatherproof storage to the roof of almost any car, so bulky luggage, camping gear or sports equipment stays out of the cabin and boot.

Built from 840D PVC, double-layer rain flap, it is designed to keep the contents dry through rain, road spray and motorway driving.

No roof rack required — it straps directly to your car using the included door hooks, so it also fits cars without rails or bars.

It folds flat into a compact storage pouch when you are not using it, so it does not take up permanent space in the garage or boot.

At £53.99 sourced price it competes directly with hard-shell roof boxes costing several times more, while offering similar usable capacity for occasional trips.

Specifications

Capacity21 cu ft / 595 L
Dimensionsfits most cars, SUVs and vans
Material840D PVC, double-layer rain flap
WaterproofYes
Roof rack requiredNo
BrandOhuhu
Weight2.5 kg

Frequently Asked Questions

Do I need a roof rack to fit the Ohuhu roof bag?

No. It comes with door hooks that let you secure it directly to the car body, so it works with or without roof rails, crossbars or a basket.

Is it actually waterproof, not just water-resistant?

Yes. It is made from 840D PVC, double-layer rain flap, and the zip is covered by a protective flap to stop rain and motorway spray getting in during normal use. Avoid pressure-washing it directly and check the zip is fully closed before driving.

How much can it hold?

It has 595 litres (21 cubic feet) of capacity, roughly enough for several large suitcases or a mix of camping gear for a family trip.

Will it damage my car roof?

No, provided you use the included anti-slip mat or protective layer where supplied and follow the strap routing in the instructions. Always check your vehicle’s roof load limit in the owner’s manual before loading it up.

Is it stable at motorway speeds?

Yes, once the straps are tightened correctly it sits securely at normal motorway speeds. Check strap tension after the first few miles of a journey and tuck away any loose strap ends.

Can I store it flat when I am not using it?

Yes. Unlike a hard-shell roof box, it folds down into a compact storage pouch, so it stores easily in a boot, cupboard or garage shelf between trips.

The Ohuhu 21 Cu Ft Roof Bag (595L): A Buyer's Guide

4 min read Car Roof Bag Shop

Fitting everything in for a family trip, a camping holiday or a run to the tip is rarely straightforward. The Ohuhu 21 Cu Ft Roof Bag (595L) turns the roof of your car into usable, weatherproof storage without the cost or bulk of a hard roof box.

Built for real weather

It is made from 840D PVC, double-layer rain flap, chosen to keep water out through proper UK weather rather than just light drizzle. Seams and zips are sealed or covered with a protective flap so rain and motorway road spray running over the roof does not find a way in.

Fits your car

No roof rack required — it straps directly to your car using the included door hooks, so it also fits cars without rails or bars. Once strapped down it sits flush and stable at motorway speeds.

595L of extra space

With 595 litres (21 cubic feet) of capacity, it swallows the awkward items that do not stack neatly in a boot — tents, sleeping bags, holdalls, folding chairs and more — freeing up the cabin and boot for passengers and everyday shopping.

Packs away small

Because it is soft-sided rather than a rigid shell, it folds down to fit under a garage shelf or in a cupboard between trips, which is the main practical complaint people have with hard-shell roof boxes.

Who it suits

Anyone who regularly runs out of boot space for family trips, camping, festivals or the school-holiday getaway. If your car has no roof rack, check the "roof rack required" spec above before ordering — several models here work with door hooks alone.

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Page summary

The Ohuhu 21 Cu Ft Roof Bag (595L) (SKU ohuhu-21-cubic-roof-bag) is a 21 cubic foot (595 litre) waterproof car roof bag made from 840D PVC, double-layer rain flap. It requires no roof rack, fitting via included door hooks as well as roof rails or crossbars. Designed for road trips, camping and family holidays where boot space runs out. Folds flat for storage when not in use.