The Military Canteen is made of heavy-duty BPA free plastic and can hold up to one quart of water. This canteen cover is made of insulated felt lined polyester to keep water cool. A two button snap closure, a belt clip, and an external pouch is featured on the G.I. style canteen cover. Whether you are camping,in a survival situation, or just dressing up for Halloween, this canteen is an ideal addition to your outdoor gear collection.