Contigo Autoseal Stainless Steel Kids Cup, 12-Ounce, Cobalt PatentedAUTOSEALlid is100% leak-proofand100% spill-proof; Just press the button to sip; release to automatically seal Vacuum insulation keeps beverages cold for up to 7 hours Lid is one piece, meaning no loose parts Made out of 100% FDA-approved, BPA-free materials; Phthalate- and PVC-free Top-rack dishwasher-safe