The MOLLE Compatible Water Bottle Pouch is an ideal hydration accessory, or can be carried alone using the two "D" rings, one on each side of the top sides. The main pouch will accommodate most water bottles to include 32 oz. water bottles, as well as the 40 oz. Klean Kanteen. The main water pouch is 10.5" tall and an inside diameter of 4." The main pouch has a zippered flip top with a concealed straw hole, MOLLE loops around the entire pouch, two 6" MOLLE straps on the back, and a drain hole in the bottom. The front of the main pouch has a 6.5" x 4" zippered utility pocket for those extra items. This pouch is great that small survival kit and still carry a cup and water bottle. Made with 600D Polyester. Available in Coyote Brown, OD Green and Black.