Klean Kanteen Kid's Stainless Steel Sippy Bottle 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 spout with dust cover is designed for comfortable drinking and smooth flow Can be used with Klean Kanteen Sport Cap 3.0 for older toddlers and the Loop Cap for additional options