The Thermos Intak Hydration Bottle is made from BPA free, impact- resistant, dishwasher durable Eastman Tritan copolyester. It has a locking leak-proof lid with one-hand push button operation. There's a flip up loop for easy carrying; ergonomic design for comfortable usage. Monitor your intake with the rotating intake meter- perfect if you are trying to get those 8 glasses of water in everyday. Ideal for water, iced tea, juices and sports drinks: 24-ounce capacity.