The Thule roof box is an aerodynamic box that fits on top of an automobile. They are very useful for storage and are watertight in case of unexpected rainfall.

One can purchase Thule roof bars from various stores online and offline. Some of those stores are The Roof Box, Halfords, Rack n Road, REI and Amazon.

350 litres

You cannot fit a traditional hard style roof box without a roof rack, otherwise the roof box will scratch the surface of the roof. If you want to get a roof rack then you need to go to Carracks.co.uk , you can choose exactly which one you want to fit a roof box to.

You can actually fit a soft style roof box to your roof without roof bars, something like a Thule Ranger 90 or a Green Valley Pack and Drive unit. This is normally foldable and can be stored using less space than a traditional roof box.

Roof bar systems or Roof racks are normally manufactured by Thule, Mont Blanc, Yakima or Green Valley.

One can purchase a Thule cargo box online from Roof Racks, Ski Drive, North East Roofracks, Leisureshack, and Rack attack stores. One can use Thule cargo box to mount on top of a car and can endure extreme outdoor weather condition.