Car Roof Boxes & Roof Bags Explained
Adding a roof box or roof bag is the easiest way to free up boot and cabin space for holidays, camping trips and ski breaks. Most roof boxes mount directly onto roof bars, so checking your vehicle's roof-bar compatibility before ordering is important. We stock hard-shell roof boxes from trusted brands like Thule and G3, plus soft, foldable roof bags for occasional use.
Roof Boxes — Hard-shell boxes come in a range of sizes to suit everything from extra holiday luggage to long ski and snowboard loads. They offer the best security, weather protection and aerodynamics: lockable lids keep luggage safe, and rigid shells handle motorway speeds with less noise and drag. As above, most fit onto existing roof bars — so check yours are compatible first.
Roof Bags — Soft bags fold away to almost nothing when not in use and are a budget-friendly option for occasional trips; many are waterproof and some fit cars without bars.
Roof Bag vs Roof Box — Which Should You Choose? Choose a roof box for security, quietness and frequent use; choose a roof bag for low cost, easy storage and occasional trips.
Frequently Asked Questions
Do I need roof bars for a roof box?
Almost all hard boxes mount onto roof bars; some soft bags strap to a bare roof, but bars are safer and recommended. Always check your vehicle's compatibility before ordering.
How much can a roof box hold?
Capacities range from compact boxes for extra holiday bags up to large family boxes that swallow soft luggage, skis and bulkier gear — each product lists its own capacity.
Are roof boxes secure?
Hard boxes lock to deter theft and stay shut at speed; don't leave valuables in soft bags unattended.
Will a roof box fit my car?
If you have roof bars, it almost certainly will — check the bar spacing and your car's roof weight limit.
Browse car roof boxes and roof bags below. Carrying bikes too? See our bike carriers; for towbar-mounted storage, see cargo boxes.