NO TOOLS, NO DRILLING, NO SCREWS: Thanks to vacuum suction cup technology, AQOTER suction cup hooks are extremely easy to install: just position them on a smooth surface, apply pressure and twist clockwise. EXTRA STRONG SUCTION CUP: The 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 5 kg. Perfect for hanging your bags, rags, towels, kitchen utensils and bathroom accessories. REMOVABLE AND REUSABLE: No marks, no sticky residue, no surface damage after removal. 1 second to remove: just turn the suction hooks to the left. PREMIUM QUALITY: No-drill hooks are made of high quality TPR+ stainless steel against corrosion and rust. The large suction cup 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. MULTI-PURPOSE HOOKS: Hooks with suction cup can safely vacuum on window, mirror, glass , ceramic tile, metal, other non-porous or smooth surface. DO NOT use on uneven, porous, curved or rough surfaces. You can use this extra strong suction cup hook in the bathroom, kitchen, living room, office, school, hotel or store.