W64BTSLS Hydro Flask 64 Ounce Wide Mouth Stainless steel, insulated, reusable—the 64 oz. wide-mouth bottle is the flask to grab to keep a wopping half-gallon of drinks cold and hot ones hot. The opening makes it easy to add ice—and get a bigger gulp. Fill it up for big adventure. TempShield double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex cap is leakproof when closed Honeycomb Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last powder coat is durable, sweat-free and colorful Wide Mouth opening is ice-cube friendly Bottle fits most backcountry water filters BPA-Free Lifetime Warranty with Hydro Flask Size & Dimensions 64 oz. Volume: 1,892 mL Mouth Diameter: 2.26” Diameter: 4.72” Height: 10.75" Weight: 25.6 oz Product Care Refer to Hydro Flask's website FAQ for specialized instructions Dishwasher safe Not for use on a stove, in a microwave or freezer Do not use bleach or chlorine Do not soak Hand-wash with hot, soapy water before first use