Please note: The Thule Arcos Box must be used together with the Thule Arcos Platform. Premium cargo box, giving the car up to 14 cu ft of easily accessed, extra loading space Aerodynamic design for little impact on fuel consumption or on the range of your electric car One person attachment of the cargo box SlideLock system with separate locking and opening functions that automatically locks the lid in place and shows when the box is closed securely Box sits low to the ground, making it ergonomic and easy to load and unload cargo