Please check you the type of your wall before purchase this product.Only Fit for any NON-POROUS & SMOOTH &FLAT surface . ceramic tile, glass, mirror, granite, stainless steel, acrylic, laminate and any non-porous surface with glossy finish; NOT WORK over grout lines or on porous surfaces such as: WOOD, unfinished MARBLE, GRANITE, porcelain, wallpaper, natural stones (such as Travertines), painted wall & any surface that is bumpy, etc.. Durable & Ideal Hooks- Multipurpose hooks constructed of type 304 premium grade stainless steel , build to resist daily scratches , corrosions and tarnishing . And it's waterproof and can be used in wet areas . Can hang almost anything : towels , loofahs , bath robes , squeegees , kitchen tools , etc . Heavy Duty Quality - Each suction cup hook can hold up to 20lbs with correct installation . Perfect for using in bathroom , kitchen , living room , bedroom , closets , etc . Work on any smooth & non-porous surfaces such as glass , metal , ceramic tile , plastic , etc . Unique Twist & Fix Technology Without Damage - No more ugly holes in your shower or bathroom Simply choose a smooth surface , twist the knob , and you're done in no time removable and repositionable , and won't leave any marks or sticky residue