Stay hydrated on the go with the HydroFlask Pro-Insulated Water Bottle. Engineered with TempLock™ double-wall vacuum insulation, it keeps your beverages ice-cold for up to 24 hours or piping hot for 12 hours. Made from durable 18/8 pro-grade stainless steel, this bottle is BPA-free and features a sweat-proof powder coat finish for a secure grip. The included Flex-Cap is leak-proof and designed for easy carrying, making it the perfect companion for the gym, trail, or your daily commute.