The Nuby Flip-It No-Spill 10 oz Step 3 Straw Cup is great for toddlers on the go. With a flip-top that keeps the straw clean and No-Spill technology, this cup is the perfect choice. The easy-to-grip cup also features a one piece built-in valve. It is suggested for babies 12 months and older. BPA free. Durable Product.