The 1000ml Duro Cup Style Flask, Vacusteel Water Bottle is a streamlined bottle that combines modern technology with aesthetic appeal. It comes in four different colors: bold red, refreshing green, lively blue, and sleek black. They are made to last and provide insulation, so they maintain the ideal temperature for your drinks all day. These stylish, high-performing bottles will help you stay hydrated and are the ideal addition to any lifestyle. purchase now online