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.