100 percent leak and shake-proof : The unique Intellivalve anti-leak technology guarantees this trainer cup is completely leak-proof, even when the cup is turned upside down or shaken
Hygienic : The drinking spout is made with Bachshield antibacterial technology that reduces bacteria by up to 99.9 percent by preventing the growth of unwanted microbes
Bite-resistant : The durable, long-lasting, one-piece spout is gentle on little mouths and tough enough to withstand tiny teeth