1. What surfaces can it adhere to? adhesive hooks can be used on smooth surfaces such as tile, metal, glass, laminates, wooden and other smooth solid surfaces. However, they are not recommended for use on textured walls or surfaces, wallpaper, brick, fabric, painted walls. 2. Is adhesive strong enough to hold items securely? Adhesive hook is strong enough. But it must be installed and maintained correctly: choose a smooth wall for installation, press the patch firmly for 20 seconds to ensure there are no bubbles, and wait for 24 hours for it to solidify before hanging heavy objects. 3. Is adhesive hook easy to remove, and will it leave any residue after removal? The hooks are easy to remove and leave no marks. Use a hairdryer to heat the glue until it softens, then slowly peel it off.
eBay