The AUTOSEAL Kids Trekker Cup is 100% BPA free water bottle for kids who have outgrown sippy cups but haven"t outgrown spilling! 100% spill and leak proof kids cup uses AUTOSEAL technology to prevent accidental spills. Just press the button to sip and release the button to automatically seal. These kids cups are perfect for kids on-the-go, in the car, or in school lunches. The AUTOSEAL Kids Trekker Cup is the perfect cup for your 3 to 12 year old. They may outgrow their sippy cups, but they never outgrow spilling.