Heavy Duty Hooks:The suction cup of hook is larger than ordinary sticky hooks, which is reusable and convenient for changing places.But suction hooks can only be used on smooth and non-porous surfaces. Note: the suction cups can not be attached to rough surfaces and the hooks are not hanying overweight, valuable or breakable objects. Sturdiness and Durable:These transparent suction hooks are made of user-friendly silica gel and clear premium PVC durable plastic material, impact resistance, odor free, child and pet safe.No need to worry about breakage and rust like other hooks. Easy to Install and Remove:Just press the suction cup on the smooth wall and lock down, it will stick to the wall tightly. Meantime, it's easy to remove with a flat blade to release the suction cup, so it is Removable and Reusable. Multi-Purpose Hooks:Ideal choice for Front door, Bathroom, Shower, Window, Living Room and Office. You can hang coat, towel, bag, kitchen tools, key, hat, scarf and other articles for daily use. You can also organize shower curtain, towel, robe, loofah, sponge, apron, utensils in bathroom or festival decorations indoor or outdoor. Suitable Surface:The suction hooks can be used on surface: Metal, Glass, Tile, Mirror, Grenite, Stainlee Steel and Laminated Board so on. The hooks are not used on the rough surface: painted wall, rough surface, wallpaper wall, limed wall, concrete wall.