Please refer to how to use it. 1. Clean the surface of the pad and tape from dust, dirt, etc. 2. Peel off one side of the tape and align the shape of the black pad and stick it to it. 3. After applying the black pad, peel off the other side and stick it to the car. (Cleaning of dust and dirt on the side of the car is also necessary. Easy to install, instructions not included.