The Tonal Collection has arrived! Whether you're looking to elevate your hydration game or add some stylish flair to your gear, this collection is all about sleek, modern designs that fit your lifestyle.Your favorite Hydro Flask bottle, now with a cupholder-friendly design. It keeps drinks cold for up to 24 hours, and the Flex Straw Cap makes sipping on the go as easy as possible, so you can focus on the road with hands on the wheel. Perfectly designed to fit in most cupholders, it’s built for life on the open road.