Driving Safety: Our convex mirrors improve driving safety by eliminating blind spots, you can increase your sight area when overtaking, changing lanes or reversing to avoid potential accidents or collisions. Suitable for cars, SUV, trucks, motorcycles, and more. HD Glass: Our convex blind spot mirror is HD glass, waterproof, with plastic protection on the outer layer, which is not easy to damage or scratch hands. 360 Degree Adjustable Mirror: The blind spot convex mirror can be manually adjusted and swung 360 degrees, you can adjust the field of view outside the vehicle according to your driving situation. Easy to Install: No other tools are required, and it can be installed easily in a short time. Step 1: Wipe the car mirror clean. Step 2: Tear off the adhesive film on the back of blind spot mirror. Step 3: Stick the blind spot mirror to the car mirror. Step 4: Adjust the angle and complete the installation. Package Includes: 4 Pack 2 inch round car blind spot mirror. Enough quantity to meet your family needs, or replacement needs. Best gift for your friends and parents.