Meet the Infantino My 1st Tumbler, the perfect sidekick to keep your little one hydrated! This adorable 9oz tumbler is designed for babies who are just starting to sip on their own. Crafted from lightweight, 100% premium silicone, it's perfectly sized for tiny hands. The two-piece, leak-resistant straw includes a smart valve that ensures smooth liquid flow and prevents spills, even if the tumbler is turned upside down. The no-pull-out straw features a soft silicone tip, making it ideal for those initial precious sips. It also has a handle for easy carrying and fits most cup holders, so it’s always within reach. Cleaning is simple — disassemble and place it on the top rack of your dishwasher or handwash with warm, soapy water.