KEEP CHILDREN HYDRATED ALL DAY This mug is perfect for family trips and picnics The fun design lets children drink water all day and keeps them hydrated and ready to learn and playEasy for on the go the straw makes it easy for children to drink on the go The slider hides the straw to avoid dirt and leaks when not in useFill with ice the transparency allows you to see what is in the bottle The top part unscrews for easy cleaning or filling with ice cubes and favourite drinks