Tommee Tippee Grey Superstar Insulated straw bottle 266ml100% leak and shake-proof: Our unique INTELLIVALVE anti-leak technology guarantees this trainer straw cup is completely leak-proof, even when the cup is turned upside down or shakenHygienic: The drinking straw is made with BACSHIELD antibacterial technology that reduces bacteria by up to 99.9%* by preventing the growth of unwanted microbesSupports development: This straw cup encourages sipping which supports speech and healthy oral development by building lip, cheek and tongue strengthDouble wall insulated: The insulated base keeps drinks cold to encourage little ones to stay hydrated and helps them keep cool while playingEasy clean and BPA-free: Our sippy cups are easy to clean, and steriliser and dishwasher safe. All our products are BPA, BPS, PVC, Phthalate and Nitrosamine free
