Drink in adventure.Stainless steel insulated reusable-our 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 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 12Flex Cap is leakproof when closedHoneycomb️ Insulated Cap for maximum temperature retentionMade with 18/8 pro-grade stainless steel for durability pure taste and no flavor transferColor Last powder coat is durable sweat-free and colorfulWide Mouth opening is ice-cube friendlyBottle fits most backcountry water filtersBPA-FreeDishwasher safeNot for use on a stove in a microwave or freezer