The suction cup hooks feature vacuum suction cup technology, they are extremely easy to install: just place them on a smooth surface, press and twist clockwise. Look. No tools, glue, screws, tape needed. No traces, no sticky residue, no surface damage after removal. All you have to do is twist the wall hooks to the left, wash the suction cup in warm water and when it's dry you can reuse it. The bathroom suction cup hooks can hold items with a maximum load of 10 kg (22 lbs). With double hooks, the suction cup hook is perfect for hanging your bags, towels, kitchen utensils, bathroom accessories, etc. The suction cup hooks are made of high-quality stainless steel and protect against corrosion and rust. The base of the waterproof shower hooks is made of high-quality PVC, which has strong scalability with good airtightness. It still has a strong adsorption capacity even in humid environments such as bathrooms and kitchens. The suction cup can be securely attached to windows, mirrors, glass, ceramic tiles, metal, other non-porous or smooth surfaces. DO NOT use on porous, curved and rough uneven surfaces. It works very well for everything you need and is very practical for organizing and tidying up the bathroom, kitchen, living room, office, school, hotel or shop.