How to use? *1. Clean the oil/dust/water on the surface and place the item on the wall to determine the position. * 2. Mark the position of the hole with a pencil. *3. Reveal the transparent protective film on the back of the patch. *4. Insert the center of the screw into the center of the mark to remove air from the hook. *5. Paste the hooks one by one and check if the installation is safe. * 6. Wait for an hour for better results. * Note: * 1. Generally on a smooth tile surface - this hook can hold 17 lbs / 8 kg. However - we recommend not exceeding 13lbs/6kg for a long period of time. ! * 2. Suitable for most wall types: ceramic tiles - ceramic - metal surfaces etc. It is suitable for *3. If you can't remove it - use a hair dryer until it is easy to remove. *4. Package Content: 4 Pieces.