Nylon material. Covers bladder canteens that are 2 quarts. Small side pocket. Can be used for water purification tablets, matches, fuel tabs, etc. Quick release buckle. Adjustable shoulder strap. Canteen not included. Water resistant over. Works great with our military canteens. GI Government Issued style. MOLLE - Modular Lightweight Load-Carrying Equipment. Coyote tan bladder canteen. Dimensions: 8" x 7" x 3" (inches).