Hydrating in the USA! Show off your patriotic pride with the Hydro Flask® USA 21-oz. Standard-Mouth Bottle with Flex Cap. Sized for carry versatility, this limited-edition bottle crafted from 18/8 professional-grade stainless steel delivers go-anywhere durability––ideal for camping and other outdoor adventures. A shock-absorbing silicone bottle boot protects against bumps and dings. TempShield™ insulation keeps beverages cold for 24 hours, and hot for up to 12. Hydro Flask USA 21-oz. standard-mouth features BPA-free and phthalate-free construction and is dishwasher safe for easy cleaning. Manufacturer's lifetime warranty. 1.91" dia. x 9.4"H. Weight: 11.3 oz.Manufacturer model #: USAS21SX111. Limited-edition patriotic USA design Sized for carry versatility 18/8 professional-grade stainless steel delivers Go-anywhere durability Shock-absorbing silicone bottle boot protects against bumps and dings TempShield insulation keeps beverages cold for 24 hours Keeps beverages hot for up to 12 Fits most backcountry water filters BPA-free and phthalate-free construction Dishwasher safe for easy cleaning Manufacturer's lifetime warranty.