This bag is constructed from waterproof 500D Tarpaulin material, zippered mesh pocket on inside flap of bag, Connect the shoulder straps together with the hook and loop padded handle for use as a duffel bag. It features 2 adjustable mesh shoulder straps for use as a backpack. It has an extra-large zippered main compartment and zippered front pocket with Padded handle on each side for easy access carrying, 2 compression straps, Clear ID card holder slot. 12″ D x 20″ W x 12″ H