Keeper 07203-1 Waterproof Roof Top Cargo Bag (15 Cubic Feet) Waterproof rooftop cargo bag with 15 cubic feet of space ; Fits all roof racks Increases vehicle cargo space. Designed to fit all roof racks with attachment capabilities on all four sides, if less than four, caution needs to be taken for secure attachment. Waterproof design protects cargo against road grit, sun, wind and rain. Soft sides flex to fit odd-shaped loads. Heavy duty construction Folds compact for easy storage. Overall size is 44 x 34 x 17. Made of rubber laminated nylon