No more spills - this kids tumbler features a straw and a spill-proof valve so you don't have to worry about spills (even when it's upside down!) Seal the deal - silicone seal around the straw adds Extra protection against leaks Material matters- 100% BPA-free ; clean up- top rack dishwasher safe lid and body; straw twists apart for easy cleaning Get a grip - soft grip bottom pad helps prevent skids and tipping Perfect fit - Fits most car cup holders; for ages 3 and up This product contains Stainless Steel (Iron, Chromium, Nickel, Manganese), Octamethylcyclotetrasiloxane