The Advantage SportsRack SofTop Cargo Bag allows you to utilize your vehicles roof rack to get full use out of your vehicles travel space. You will have 13 cubic feet of storage space to haul extra stuff anywhere you go. Measuring 38″ x 38″ x 15″ the SofTop easily attaches to a standard roof rack with 8 tie down straps. Bag is made from durable water and weather resistant 600 Denier coated polyester. The #10 2-way Zipper runs on three sides of the bag allowing easy access to your cargo from any side of the vehicle. Try using the SofTop for traveling, camping, carrying sports equipment or when you just need some extra leg room in the vehicle. Easy to install and remove, it folds flat for easy storage with included storage bag when not in use.