Give your child a nice cool drink to take to school in this Mepal Insulin bottle Flip-up Campus Frozen 350 ml! The drinking bottle features a convenient flip-up system, making it easy for your child to open and close the bottle. The spout is connected to a straw making it even easier to drink. The Thermos Flask keeps hot drinks hot for 9 hours and cold for 12 hours. After using the Mepal Insulated Bottle Flip-up Campus Frozen 350 ml can be easily washed by hand.