Cordura nylon. Fleece-lined. Vented keeper clips. Tab pouch. Fits 1 quart canteens. Works great with our military canteens. GI Government Issued style. Better than military specifications! Top quality craftmanship. Detailed construction and 1000 denier tough as Cordura nylon materials. Improving every last detail. GI plus is the gear to rely on. Woodland Camouflage GI type enhanced nylon 1 qt canteen cover.