High Quality Material: The suction cup hook is made of ABS PC material; using high quality electroplating technology; corrosion resistant; smooth and rustless; very suitable for use on smooth walls or glass in the kitchen and bathroom bath tub. High Quality Design: The suction cup hook has 2 different ends and both ends can be reversed for installation. You can choose different installation methods according to your needs. Excellent Features: No puncture; strong and traceless; the suction cup hook has the characteristics of super durability; weather resistance; oil resistance; aging resistance and no deformation. Safe To Use: No tools; no drilling; no screws; just press the suction cup to release the air until you hear a pop sound. The powerful vacuum suction cup adheres firmly to the wall. You can install it in seconds. Please use a hard card to remove it and clean it with warm water before reinstalling. Scope: The suction cup hook is suitable for ceramic tile; glass; mirror; granite; stainless steel or any flat; non-porous sealing surface. It is very suitable for bedrooms; bathrooms; greenhouses; closets; cabinets; kitchens; offices; motor homes and many other places to save space and neatly organize your favorite items. Note: The data is all manual measurement; please allow 1 - 3cm error; due to the difference in light and display; there will be a certain color difference ; depending on the physical object received.