1. QUALITY MATERIAL: The blind spot assistant is made of resolution glass and ABS, waterproof, rustproof, and the glass will not fade, offering extremely clarity. The waterproof effect is , so there's no need to worry about the mirror falling off. 2. 360DEGREE ADJUSTABLE: The blind spot mirror for cars can rotate 360 degrees, with an adjustable angle. The convex rearview mirror provides the driver with a wider field of vision, reduces blind spots, and makes speed driving and lane changes safer, especially at night. It can also be used normally on rainy or foggy days. 3. ADHESIVE INSTALLATION: Clean the rearview mirror, then attach the small round car mirror to the side mirrors. Rotate the mirror clockwise until it can no longer turn, and the installation is complete. Mounting and dismounting are very simple and will not damage the mirrors. 4. SAFER DRIVING: The convex corner design maximizes visibility of blind spots when overtaking or changing lanes on any road. The blind spot mirror helps avoid potential accidents or collisions, creating a safer driving environment.