Your favorite Hydro Flask bottle with a cupholder-friendly design, the Hydro Flask 32oz / 946ml Wide Mouth Travel Bottle + Flex Straw Cap. 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.