Stay hydrated anywhere, any time with Hydro Flask standard mouth vacuum bottle. It keeps your drinks icy for up to 24 hours and comes with a Flex Straw Cap that's insulated and leakproof to make it easy to sip on the move.1-TempShield double-wall vacuum insulation protects temperature for hours.2-Made of 18/8 pro-grade stainless steel.3-Sweat-free and slip-free.4-Dishwasher-safe.