Your new best friend. This 40 oz double wall vacuum insulated tumbler with an ergonomic handle is the ideal companion for all your beverage needs. Stay hydrated from a great work out at the gym, a fun outdoor adventure, or enjoy a nice hot beverage sitting around the fire, The Forty will hold the right temperature for you for hours. Constructed of premium stainless steel, this rugged piece will be your go to solution for years to come.