Ready for the road.Your favorite Hydro Flask bottle with a cupholder-friendly design. Drinks stay cold for 24 hours and the Flex Straw Cap makes it easy to sip while keeping your eyes on the road and your hands on the wheel. Designed for seamless cupholder cohabitation it's right at home on the open road.24 hours coldTempShield®? double-wall vacuum insulationLeakproof when closedFits most cupholdersPure taste no flavor transferWide Mouth opening is ice-cube friendlyNarrow Chug drinking spout for a convenient controlled flowDurable stainless steelBPA-FreeFlex Chug 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