Safety film backing- It strengthens the glass surface making it less susceptible to breakages. The polished edge-Our authentic silver-backed glass comes with safety polished edges for protection and a finished appearance. Widely use-suitable for Gym, Dance, Home, and commercial use. Ivy Bronx | Ivy Bronx Home Gym Mirror Large Workout Mirror Full Length Activity Mirror for Fitness, Exercise, Dance 48.0 H x 31.5 W in gray, Glass | 47.2" H X 31.5" W | Wayfair