Klean Kanteen Kid's Stainless Steel Bottle with Loop Cap, Silver, 12-Ounce Leak-Proof Design Handy attachment loop Dishwasher Safe Safe, Durable, High Quality Materials No BPA, No Lead, No Phthalates 18/8 food grade stainless steel doesn't retain or impart flavors - liquids always taste fresh and clean Free of BPA, phthalates and other toxins for a safe, plastic-free bottle Slim design fits most bottle/cup holders and rounded corners make it easy to clean Silicone Loop Cap provides a leak-free closure perfect for kids on the go Can be used with the Klean Kanteen Sport Cap 3.0 or the Klean Kanteen Sippy Spout Material - bottles are Food Grade, 18/8 stainless steel (#304) , Cap is Polypropylene #5