【Waterproof and Moisture-proof】The suction cup hooks are made of high-quality PET materials and environmentally friendly ABS materials. Both ABS and PVC materials are waterproof. They do not rust and adhere very firmly in wet weather. 【Suction Cup Hook Size】Traceless wrench measuring 1.4 * 3.93 inches (3.5 * 10 cm). With the large contact surface, the wall suction cup hook is very stable with a maximum load capacity of up to 5 kg. 【Reusable and Residue-free Removal】With super suction cups, our unique hooks are powerful and special, and can also be reused after washing and drying. Tools such as screwdrivers and glue are not needed at all. The suction cup can be removed at any time without leaving any traces. You don't have to worry about damaging your walls. 【Versatile Suction Cup Hooks】Suitable for dishcloths, bath towels, towels, bathrobes, keys, hats, clothes, dressing gowns, keys, umbrellas, effectively space-saving for backpacks and bedrooms, bathrooms, offices, wardrobes, kitchens, closets. 【Applicable Surfaces】Due to the vacuum design, you can only use the hook with the suction cup on very smooth surfaces. Suitable for glass, mirrors, tiles, polished metal, etc. Not suitable for uneven surfaces such as patterned ceramic tiles, wallpaper, wood, etc.