Stainless steel, insulated, reusableHydro Flask's 64 oz wide-mouth bottle is the flask to grab to keeps a whopping half-gallon of cold drinks cold and hot ones hot. The opening makes it easy to add iceand 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
• Dishwasher safe
• Not for use on a stove, in a microwave or freezer