This Rear View Mirror is made of durable and high-density material, so its good quality can be guaranteed. Its adjustable angle will give you a better view. It is easily adjusted by tightening the screw and adjusting the mirror to the proper angle.FEATURES Durable and Textured Mirror: This rear view mirror is made of high-density material and has durable aluminum mounts. It is impact and corrosion-resistant. Don™t worry it will break easily! Convex Mirror: The convex mirror can gain a wider view and reduce blind spots for better visibility and enhanced safety when riding. Adjustable Angel: Uses a ball joint, which can rotate 360 degrees giving you a better viewing angle Easy Installation: Just tighten the screw to easily and conveniently adjust the viewing angle