feature: The smooth edges prevent scratches. Transparent mirror makes the blind area visible and clear Small size but large space, but wide field of vision Help you avoid potential accidents or collisions when changing lanes and create a safe driving environment Each mirror includes an adjustable rotating mounting bracket, you can adjust the angle according to your preferences to maximize the field of view There are 2 circles of adhesive on the back of the mirror. Strong adhesive eliminates worries of shedding How to install a car blind spot mirror? 1- Use alcohol or other glass cleaner to clean the mirror thoroughly. 2- Peel the middle part of the adhesive from the bottom of the blind spot mirror. 3- Paste the adhesive to the bottom of the mounting bracket, and then paste it to the back of the mirror. 4- Peel off the protective elm on the adhesive and fix it to the side mirror. 5- When the mirror is stuck on the black pivot base, press HARD. specification Material: ABS glass Product size: 6.2 x 2.6 x 0.1 inches Product weight: 69 grams Package includes: 1*rear view mirror