Specifications: 1.All compatible vehicles: Universal fit all cars2.Material: Durable ABS plastic and gla3.Size:12x 6 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 Piece * Rear View mirror