Hydro Flask® Travel Bottle with Flex Straw Cap 32oz features Hydro Flask's leakproof Flex Straw Cap and 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. Flex Straw Cap not intended for use with hot liquids. Hand wash only. 32-ounce capacity.