Support St. Jude Children's Research Hospital and brighten up your day with a leak-proof kids' tumbler set from zak! designs! These Kelso tumblers remix artwork from St. Jude patients and make hydration fun. Durable Materials: The tumbler is made from lightweight plastic, and the comfortable straw is made from silicone. Everything is dishwasher safe, and the lid can be disassembled for easy cleaning. Leak-Proof Straw: The straw has a built-in valve that allows liquid to flow when drinking and prevents spills when the tumbler is tipped over. It's perfect for travel and children age 3 and up. Hydrate Anywhere: The tumbler won't splash or leak and fits in car cup holders, making it ideal to take on the go. At home, you don't have to worry about spills or stains around fabrics or electronics, and drinks stay easily accessible through the straw. Zak Designs will donate 8% of the wholesale price of this product to St. Jude Children's Research Hospital to support its mission: Finding cures. Saving children. St. Jude is a registered trademark of St. Jude Children's Research Hospital. Used under license. Specifications: 2 tumblers with 15 oz capacity. Made of durable plastic and silicone. Dishwasher safe, do not microwave. Length: 3.16-inch, Width: 3.16-inch, Height: 6.67-inch. Design: Floral and Cactus, inspired by the art of St. Jude patients Hazelle and Bridget.