CRL Rectangular Acrylic Mirrors are formed with 1/8" (3 mm) thick lightweight acrylic, which is thicker than most competitive types. They are completely free from distortion and 20% brighter than glass. The rounded rectangular shape is suited to low ceilings in elevators or parking garages. All acrylic convex mirrors meet OSHA Requirements for safety mirrors in the workplace, schools, public facilities, etc. Each mirror is individually packed, equipped with a swivel assembly that's adjustable to any position or angle, plus an adjustable mounting bracket with installation instructions.