The autoseal stainless steel kids cup is insulated to keep drinks cold for up to 7-hour. Perfect for having cold milk or juice with lunch, drinking cold water throughout the day, or taking cold drinks with you any time you're on-the-go. This 100-percent spill and leak-proof kids cup uses patented autoseal technology to prevent accidental spills. Just press the button to sip and release the button to automatically seal. No leaks and no spills make the autoseal stainless steel kids cup the perfect cup for kids on-the-go, in the car, or in school lunches.