Keep drinks cool and encourAge hydration with your toddler's friends from Disney/Pixar Toy Story! This insulated sippy cup keeps drinks cool for longer and is great for families on the go. The silicone valve helps prevent leaks so that drinks stay inside the cup and off of your little traveler. This line of sippy cups was developed with a Pediatric Feeding Specialist and each features a bite-resistant hard spout that is better for your child's developing teeth.