FLIP-TOP CUP FOR KIDS 18+ MONTHS: Nuby's Thirsty Kids No-Spill Flip-It Reflex Stainless Steel Cup holds up to 10 ounces (300 ml) of water, milk, or juice; It's the perfect kids' water bottle for spill-prone toddlers at home or on the go SOFT SPOUT NO-SPILL SIPPY CUP: The soft silicone spout is gentle on gums and teeth; The cup top is designed to prevent drips and spills and keeps the spout protected when the cover is closed DURABLE DESIGN: Parents will love this no-spill sippy cup for toddlers because of its durability; This stainless steel kids' cup is made of 304 food-grade stainless steel and does not sweat INSULATED KIDS WATER BOTTLE: This insulated cup helps drinks stay cool and refreshing for up to 10 hours, making it a back to school essential DESIGNED FOR LITTLE HANDS: The Flip-It Reflex cup's perfectly proportioned design makes gripping easier and more comfortable for little hands SAFETY FIRST: Parents can feel safe knowing Nuby toddler cups are developed, researched, and manufactured to exceed all government safety regulations and standards