How to install it: 1.Clean and completely dry the surface 2.Peel the adhesive tape cover off. 3. Paste on any smooth surface and press it tightly to remove bubbles. 4. It is recommended to leave 12 hours before hanging any item to ensure the product is firmed and fixed. How to remove them: Heat the hook with a hairdryer, then remove it slowly from the bulge without any scratches. Warm tips: 1. Do not throw away anything overweight, expensive, or fragile products. 2. Do not use it in a high-temperature environment. 3. Our hooks for wall heavy items are very sticky, and are not used on walls that are easy to peel off. Once stuck on the surface, the wall may be damaged. Kindly remind 1. These sticking hooks can hold up to 10kg. But we'd like to suggest no more than 10kg for a long time. 2. Products Guarantee: Provides quality warranty on our products. You will have a or return as you wish during the guarantee period. 3. Our sticky hangers for wall can be used on smooth Tile, Metal, Glass, Laminates, and other smooth solid surfaces, but do not use our wall hangers sticky hook-on textured walls or surfaces, wallpaper, brick, fabric, other rough or not stick surfaces, painted walls.