Meet the Infantino My 1st Tumbler - the perfect sidekick to keep your little one hydrated! This adorable 9oz/ 255 mls tumbler is designed for babies learning to sip on their own. Made from lightweight, 100% premium silicone, its perfectly sized for little hands to hold. The two-piece, leak-resistant straw features a smart valve for smooth liquid flow and prevents spills, even when turned upside down. The no-pull-out straw with a soft silicone tip is ideal for those first precious sips. Plus, it comes with a handy handle for easy carrying, and it fits most cup holders, so your baby can always have their tumbler nearby. The Infantino My 1st Tumbler is ideal for baby-friendly beverages such as water, juice and even warm milk. Cleanup is a breeze simply disassemble the tumbler and place it on the top rack of your dishwasher or handwash with warm, soapy water. Features: Made with premium soft silicone, making this 9oz. tumbler lightweight Leak-resistant straw with a soft silicone tip and smart valve Easy-to-hold handle for convenient carrying on-the-go Fits in most stroller and car seat cup holders Simple to clean; top-rack dishwasher safe or wash with warm soapy wate