1. First clean the surface to be pasted to make it clean, smooth, flat and dry;

2. Measure the height of the door and window. According to this height, cut off the anti-theft door and window seal with scissors;

3. Peel off a small piece of backing protection paper, install the anti-theft door and window seals to the correct position and squeeze them tightly, and try to align with the top edge

4.Continuously peel off the protection paper, so that the anti-theft door and window seals extend down the frame and are constantly compressed, pay attention not to stretch;

5. Use the same steps to install horizontal anti-theft door and window seals, pay attention to the corner joints, and there should be no gaps between the connections;