Flip it and sip it.A 32 oz Wide Mouth water bottle with Hydro Flask's leakproof Flex Straw Cap and boot—easy to fill easy to drink. Open it up add your ice and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.24 hours cold 12 hours hotTempShield®? double-wall vacuum insulationDishwasher safeLeakproof when closedPure taste no flavor transferWide Mouth opening is ice-cube friendlyBottle fits most backcountry water filtersDishwasher safeFlex Straw Cap not intended for use with hot liquidsNot for use on a stove in a microwave or freezerBottle fits all Wide Mouth caps and lids