The Klean Kanteen 12 oz. Kids' Stainless Steel Sippy Bottle holds enough to keep your child well hydrated, but is also small and compact so it fits easily into your purse or your child's backpack. Made from high quality, 188, food grade stainless steel that's totally free of BPA and other toxins. Sippy Cap includes an attachment loop and polypropylene dust cover cap is also spill proof but not leakproof. Removable valve allows for easy cleaning. Will not retain flavors or odors keeps your drinks fresh, crisp, and clean tasting. Large mouth design makes it easy to add ice cubes. 100% stainless interior internal stainless steel threads. Slim design fits most bottlecup holders and most standard bike cages. Dimensions: 5 in. without cap x 2.75 in. opening diameter: 1.75 in.. Dishwasher safe. Weight: 3.75 oz. without cap.