The Sistema 520ml Tritan Quick Flip Bottle Purple is an ergonomically designed and handy water bottle that will be helpful for your child to drink water using a straw. With the easy flip lid, it becomes easier for your children to open and close the bottle simply by pressing the quick to release button. It is made of durable and BPA and phthalate-free plastic material that will last for years to come. Thanks to the transparent design, you can refill the bottle with water or any other thirst-quencher your child enjoys drinking.