1. Do not use it on mud wall, plaster wall, wall paper, artificial cloth, waterborne coating surface, or other uneven and rough surfaces. 2. Do not stick it onto any place near gas stove, furnace or other high-temperature utility. 3. When the temperature is below 10℃, heat the sticky face of the hook with a dryer before pasting it on the wall. 3. To hang items on the hook after being installed for 24 hours. max. load: 2kg. 4. Do not hang fragiles and dangerous items.