Explorer Tactical Round Heavy Duty Duffel Bag With Shoulder Strap Made of Rugged water-resistant, 600 D polyester backing for maximum protection and support 3 inch webbing rubber at the bottom Dimensions: 31 by 16 by 16 Inch Main storage compartment offers ample packing space with #10 straight forward zipper opening for easy loading. Heavy duty nylon coil zipper pulls with hard plastic locking system. Front pockets for additional storage with zipper to close Additional adjustable two inch high density wide strap for heavy duty carry with steel rivets at both sides of the bags for added strength, and Two short Velcro closure handles.