Your favourite 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. Keep drinks cold for up to 24 hours and hot for up to 12 hours with TempShield double-wall vacuum insulation. The leakproof Flex Straw Cap allows for easy sipping on the go. Made from durable stainless steel for pure taste and no flavor transfer. Fits most car cupholders and has a wide mouth for easy filling and cleaning. Not for use with hot liquids, microwaves, stoves, or freezers.