600 denier polyester. Holds most 1 qt. canteens. Canteen cap protrudes to allow drinking while still in pouch. Front quick release buckle. Mesh bottom for easy draining. Works great with our military canteens. Canteen covers also protect canteens from its surroundings and from breaking after being dropped. Color - Olive Drab. GI - Government Issued Style. Army style. Military Style.