Thermos 24 Oz. Hydration Bottles 3 Pack - Bpa-free Tritan Bottles - Genuine Thermos Brand - Hydration Bottle Set with Rotating Intake Meter and Locking, Push Button Lid Thermos 3 Pack 24 Oz Hydration Bottle Sets with rotating intake meter and locking, push button lid. Made from BPA-free, impact resistant and dishwasher durable Eastman Tritan copolyester One handed push button operation Rotating meter lets you monitor your daily water consumption Ergonomically designed Flip-up carrying loop