The Drink2Go children's water bottle is made of Tritan® plastic. The bottle is as clear as glass, but unbreakable. It features an ergonomic silicone drinking spout that opens with the press of a button and automatically closes when the bottle's lid is sealed. Wide filling opening. 100% leak-proof, does not spill liquid at the bottom of the bag. Green Monster pattern. Dishwasher safe. Size 0.4 L.