The Tommee Tippee Insulated Sportee water bottle is the toddler-friendly cup with the big kid look. Little ones can carry their bottle on family outings by its easy to grab handle so they can rehydrate as they please--just like mum and dad! The ergonomic design is comfortable for tiny hands, and little ones can stay hydrated longer because of the sports bottle's insulated core that keeps water cool. The resilient bite-resistant spout is extra durable, while the leak-proof spout means less clean ups and more carefree fun and comes with a removable hygiene cover. Featuring INTELLIVALVE , a unique anti-leak technology which guarantees this insulated drinking bottle is completely leak-proof as it withstands internal pressure meaning the cup won't leak even when it is turned upside down or shaken. Our unique valve both seals and regulates the flow of liquid to stop leaks and to ensure easy drinking. We can guarantee this water bottle is 100% leak-proof.