The 24-oz. Element5 hydration bottle from Thermos is a great companion for days out exploring the great outdoors. Made with BPA-free, impact-resistant and dishwasher durable Eastman Tritan copolyester material, This Black bottle has a hygienic push button flip-up lid with a locking ring to keep contents secure during transport. The contoured body provides a comfortable grip and is sized to fit most cup holders. Integrated Capacity markings help with measuring any mix-in ingredients as well as monitoring daily water intake.