Quality: Our suction cup hooks are made of high-quality ABS plastic, which is environmentally friendly. Stronger adsorption, strong and waterproof. Aluminum alloy screw head and non-slip copper material are the secrets of the suction cup hook lasting and strong Heavy Duty Hook: The suction cup can hold up to 6.6 lbs. Each suction cup is 1.5"x3.9". Perfect for hanging towels, bathrobes, bath towels, women's backpacks, coats, holiday decorations and more Easy to install and remove: No screws, no nails, no holes, no glue, no tools required Easy to install anywhere. Turn the knob counterclockwise and release the vacuum. Simply wash the suction cup hooks with warm water and air dry for reuse^ Multifunctional Suction Hook: The suction cup hook is suitable for direct installation on smooth, non-porous surfaces, such as glass, mirrors, smooth tiles. Even some rough surfaces like frosted glass Waterproof and Oilproof: Water sprayed on the towel hook will not affect the hook, and the sticky suction cup makes it firmly adsorb on the bathroom and kitchen Colour: Black