Yes, a roof box needs to be affixed to a set of roof bars to hold it securely in place. Even cars with factory fitted longitudinal roof rails will still need a set of roof bars that go from rail to rail in order to mount a roof box.
eBay
Box of 4 Scented Candles Set (4 Scents: Gardenia, Lavender, Vanilla, Jasmine), Packaging Paper Box Color Random, Candles
Aliexpress UK
Roof Bars and Box Bundle. This is the best way of being sure the box will be compatible with the bars. We have tested it for you! You can also save money buying them together in just one order. The Junior Easy 420 Litre Roof Box is a sturdy and convenient way to add additional storage space your vehicle. The Junior Easy 420 is made from UV protected Polystyrene and comes in two easy to assemble pieces, this two part box allows us to reduce packaging making the Junior Easy 420 Litre Roof Box better for the environment. Assembly on this roof box takes just seconds requiring two pins to be inserted to fix the hinges.
eBay
Bella Beagle Rabbit 600% Vinyl Blind Box Doll Set As A Birthday Gift for A Mysterious Box for Room Decoration
Aliexpress UK
Roof Bars and Box Bundle. This is the best way of being sure the box will be compatible with the bars. We have tested it for you! You can also save money buying them together in just one order. The Junior Easy 420 Litre Roof Box is a sturdy and convenient way to add additional storage space your vehicle. The Junior Easy 420 is made from UV protected Polystyrene and comes in two easy to assemble pieces, this two part box allows us to reduce packaging making the Junior Easy 420 Litre Roof Box better for the environment. Assembly on this roof box takes just seconds requiring two pins to be inserted to fix the hinges.
eBay
NEW 1 Set Vintage Treasure Storage Box Wooden Treasure Chest With Lock Piggy Bank Organizer Saving Box Case For Home Decoration
Aliexpress UK
Roof Bars and Box Bundle. This is the best way of being sure the box will be compatible with the bars. We have tested it for you! You can also save money buying them together in just one order. The Junior Easy 420 Litre Roof Box is a sturdy and convenient way to add additional storage space your vehicle. The Junior Easy 420 is made from UV protected Polystyrene and comes in two easy to assemble pieces, this two part box allows us to reduce packaging making the Junior Easy 420 Litre Roof Box better for the environment. Assembly on this roof box takes just seconds requiring two pins to be inserted to fix the hinges.
eBay
40pcs/box Concealed Barrel Hinges Solid Brass 4*20mm Vintage Decor Wood Box Cabinet Hidden Cylindrical Hinge DIY Wood Case Kit
Aliexpress UK
【Luggage Rack Fixation】: This Roof Box U Bolt Clamp is designed to secure your car's luggage rack, making it convenient for you to fix your luggage securely. 1 Roof Box U Bolt Clamp. 【Design】: Specifically designed for your car, this Car Van Mounting Fitting Kit not only serves a functional purpose but also enhances the visual aesthetics of your vehicle.
eBay
1 Set Single Wood Challenge Coin Presentation Display Gift Box with Black Velvet Inside 40mm Coin Storrage Box Clasp
Aliexpress UK
【Good Compatibility】The roof bracket installation accessory kit has good compatibility with most models on the market. 1 Car Roof Mounting Bracket. 【Unique Design】The universal car van mounting fitting kit design is both unique and practical for maximum protection from scratches and increased friction to improve overall stability of your car.
eBay
50pcs Latest Marble Pattern Jewelry Set and Display Box DIY Thank You Gift Wedding Gift Window Box with Hanger
Aliexpress UK
Roof Bars and Box Bundle. This is the best way of being sure the box will be compatible with the bars. We have tested it for you! You can also save money buying them together in just one order. The Junior Easy 420 Litre Roof Box is a sturdy and convenient way to add additional storage space your vehicle. The Junior Easy 420 is made from UV protected Polystyrene and comes in two easy to assemble pieces, this two part box allows us to reduce packaging making the Junior Easy 420 Litre Roof Box better for the environment. Assembly on this roof box takes just seconds requiring two pins to be inserted to fix the hinges.
eBay
KUNAISI Durable Multi Functional Black Hard Car WrapTools Box for Vinyl Film Wrap Tool Kit Window Tint Tool Storage box Case
Aliexpress UK
Roof Bars and Box Bundle. This is the best way of being sure the box will be compatible with the bars. We have tested it for you! You can also save money buying them together in just one order. The Junior Easy 420 Litre Roof Box is a sturdy and convenient way to add additional storage space your vehicle. The Junior Easy 420 is made from UV protected Polystyrene and comes in two easy to assemble pieces, this two part box allows us to reduce packaging making the Junior Easy 420 Litre Roof Box better for the environment. Assembly on this roof box takes just seconds requiring two pins to be inserted to fix the hinges.
eBay
1 Set of Small Beads Finishing Box - 26pcs Plastic Storage Box Mini Clear Bead Storage Container with Hinged Lid, Rectangular Cl
Aliexpress UK