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