Specially designed for your babys first sips, the Tommee Tippee Superstar Sippee sippy cups help your baby to develop tipping and supping skills whilst preventing spills. The easy-to-drink from trainer cup features a clever two-piece valve that allows liquid to flow easily through the spout when your baby wants to drink, but keeps the cup fully spillproof between sips. This cup also comes with a handy removable hygiene cover and easy-grip handles for little hands. Leak-Proof Sippy Cups Featuring Intellivalve, a unique anti-leak technology which guarantees this Tommee Tippee trainer cup is completely leak-proof. It withstands internal pressure meaning the cup wont 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 ensures easy drinking. Antibacterial Training Cups With hygiene at the forefront of everyones minds, Tommee Tippee drinking bottles add an extra layer of reassurance as the drinking spout contains Bacshield antibacterial technology. Bacshield is a commonly used silver-ion technology that provides antibacterial product protection against unwanted bacteria, recognised for centuries with no harmful effects. It works by preventing the growth of unwanted microbes that can cause product degradation, discolouration, staining or odour.