Our Canteen is the perfect choice for staying hydrated and refreshed wherever you go. Made of medical grade 18/8 (chromium/nickel) stainless steel with a Hardshell™ powder coat. At a convenient 23 oz capacity, it will fit nicely in your hand or snugly in any cupholder and is vacuum insulated to keep your drinks hot or cold for hours. The specially designed twist-top lid makes it easy to carry around with your fingers. The ideal companion for any outdoor adventure, day trip, the gym, or just to and from work.