dishwasher-safe, Fits in standard cup holders. 100 % waterproof, One handed closing technology for quick and easy drinking. 100 % waterproof, One handed closing technology for quick and easy drinking. It is made of co-polyester, and the lid is made of polypropylene. As tough as it is stylish, it’s the coolest canteen in camp. Large enough to pack a serious hydrating punch, portable enough to latch onto any kind of gear. One-handed closure system designed to prevent leaks. Made from Eastman Tritan copolyester that is manufactured without BPA. Resistant to staining and retaining odor.