Specifications: 1.All compatible vehicles: Universal fit all cars 2.Material: Durable ABS plastic and glass 3.Size:12.8 x 5.3 cm (Please check the size before purchase) 4.Designed by YASOKRO to increase visibility and improve driving safety How to install these mirrors? 1. Clean the surface: To install these blind spot mirrors, we need to clean the surface of both exterior side mirrors of the vehicle with alcohol pads or a cotton ball slightly; 2. rip off paper cover: from the adhesive; Put the stand of mirror with dual-adhesive tape on the upper of outside mirror. 3. Fix the stand of mirror with two screws&fixing frame to be tighten at the outside mirror. 4. After controlled the angle to be fitting a body of mirror to a stand of mirror, fix perfectly by fixing screw of angle mirror. ATTENTION: 1.After installation, do not wash your car within 24 hours to avoid damage to the viscous. 2.This item do not fit for motorcycle. package listing: 1 * Rearview mirror