Bison Life Safety Glasses are independently tested and certified by Underwriters Laboratories. Our Safety Glasses exceed ANSI Z87. 1 standards and provide protection, Safety Glasses from Bison Life come with the Bison Life promise. At Bison Life, we are dedicated to providing healthful, gentle, and safe personal care products for your work, home, and family life. We continuously strive to be your trusted partner in wellness and exceed your expectations.