The MIZU M8 series water bottle is comprised of lightweight 18/8 stainless steel, which keeps up with the challenges of life on the go. This single wall bright and bold water bottle also includes a carabiner-friendly cap (some glow in the dark!) and dons our Geo Turtle design atop the ultra-smooth matte finish. Enjoy 27 oz. of cold beverages from this life must-have for those who stay hydrated everywhere they go.