How to delete: Heat it with a hair dryer, then slowly remove it from the side without leaving a trace. How to install: 1. Before installing the adhesive hook, please make sure the surface is clean, dry, free from dust and oil, and wipe it dry first. 2. Remove the transparent film on the back of the hook. 3. Paste on any smooth surface and press it tightly to remove any bubbles. 4. It is recommended to leave 12 hours before hanging any item to ensure the product is firm and fixed.