Just the right size for little hands, this Hydro Flask for kids is made with the same stainless steel and double-wall vacuum insulation as their bigger bottles. Every sip stays icy cold for up to 24 hours-so when recess or practice wraps up, the perfect refreshment is waiting on the sidelines. With a colorful, easy-to-clean Straw Lid and a durable Flex Boot, this is the perfect companion for any adventure-big or small. Convenient, smaller size ideal for kids. Silicone Flex Boot for added protection and traction on slippery surfaces. Easy to clean. Easy-sip Straw Lid. TempShield(TM) insulation keeps your drinks cold for 24 hours and hot for 12 hours: Hydro Flask's unique double-wall vacuum insulation protects temperature for hours. Cold drinks stay icy cold, so they can stay refreshed for any adventure. Not to be used with hot liquids. Durable 188 Pro-Grade Stainless Steel construction: Made with 188 pro-grade stainless steel to ensure pure taste and no flavor transfer-and the durable construction stands up to whatever life brings. BPA-Free and Phthalate-Free: Hydro Flask's products are BPA-free for ultimate purity. Stay refreshed and worry-free. Unique powder coat for a non-slip grip. Volume: 12 oz.355 mL. Mouth Diameter: 2.28". Diameter: 2.91". Height: 6.8". Weight: 9.6 oz. Lifetime Warranty. Hand wash. Imported.