The highest quality: Our suction cup hooks are made of clear PVC and high quality corrosion resistant stainless steel. it is soft and durable. light and waterproof. temperature resistant. does not yellow or lose its adhesiveness over time. Invisible design: Our suction cups with metal hooks are transparent, almost invisible and suitable for any decorating style. The diameter of the suction cup is 1.77 inches and it has a compact shape. each suction cup hook can hold up to 3 pounds. great for hanging towels. brushes. Keys. wreaths. light chains. Detachable and reusable: The PVC suction cup is reusable. metal hooks and suction cups are removable and can be used separately. you can use hookless cups for activities like crafts. Easy to use: Wall hooks with suction cups require no tools or drilling. makes installation a matter of seconds. simply press the suction cup on the surface to hang. the suction cups have a release tab for easy removal and will not damage the wall. Multifunctional: Our transparent hooks with suction cups are easy to attach to ceramic. window. mirror. glass. metal. fiberglass surface, which can decorate your home and save more space.