Capacity: 300ml/10 oz, Silicone, PP About this product [Design concept] Makes drinking water more fun. [Easy to clean] Dishwasher safe, maintains its transparency after hundreds of washes, does not stain or yellow, easy to remove and clean. [Durable and safe] Made of crystal clear Tritan without BPA, durable, drop/crush resistant, safe for your kids to use. [Leak-proof and spill-proof] Sturdy flip and cross-cut straw make storage easy, preventing spills, leaks and clutter. [ Easy to use] The weighted straw and handle make it easy to hold and drink from any angle, and the anti-inflation valve minimizes discomfort and choking.