Insulation: TempShield® double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Cap: Insulated Flex Straw Cap is leakproof when closed. Flex Straw Cap not intended for use with hot liquids Material: Made with 18/8 pro-grade stainless steel for durability, pure taste, and no flavor transfer Opening: Wide Mouth opening is ice-cube friendly Coating: Color Last™ powder coat stays clean and colorful Compatibility: Bottle fits most backcountry water filters Material Safety: BPA-Free Care Instructions: Dishwasher safe. Not for use on a stove, in a microwave, or freezer
