NO TOOLS, NO DRILLING, NO SCREWS: With the vacuum suction cup technology, AQOTER suction cup hooks are extremely easy to install: Simply position them on a smooth surface, apply pressure and turn clockwise. SUCTION CUP EXTRA STRONG : Vacuum suction cup hook has a large suction cup that generates more suction than other hooks. The suction cup hooks can hold objects with a maximum load of 5kg. Perfect for hanging your bags, cloths, towels, kitchenware and bathroom accessories. REMOVABLE AND REUSABLE: No marks, no sticky residue, no surface damage after removal. 1 second to remove: The only thing you need to do is turn the suction hooks to the left. SUPERIOR QUALITY: The hooks without drilling is made of high-quality TPR+stainless steel against corrosion and rust. The suction cup large made of high quality TPR, which has strong scalability with good airtightness. It still has strong adsorbability in humid environments such as bathroom and kitchen. MULTIPURPOSE HOOKS: The hooks with suction cup can safely suck on window, mirror, glass, ceramic tile, metal, other non-porous or smooth surface. DO NOT use on uneven porous, curved, rough surfaces. You can use this extra strong suction cup hook in the bathroom, kitchen, living room, office, school, hotel or shop.