It's you versus dehydration. With this Thermos 24-ounce hydration bottle, not only will you win that battle, but you can keep score along the way. With a built-in rotating meter, keep track of your water intake like never before. Combined with an ergonomically designed grip, a push button lid, locking ring and easy carry loop, you'll be ready to take on whatever your day has in store. Made with BPA-free, impact-resistant and top rack dishwasher safe Tritan from Eastman. Flip-up lid with locking ring is leak-proof when locked and properly assembled. Capacity markings along side of bottle. Not for hot liquids.