HASKO accessories - Powerful Vacuum Suction Cup Hooks Holder for Towel, Robe and Loofah - Stainless Steel Hook for Bathroom and Kitchen (Chrome) CORROSION RESISTANT: Rust Proof and corrosion resistant construction prevents rusting. Suction Cup Hooks are made of chrome plated stainless steel, the cap and knob are made up of chrome plated hardened plastic. NO TOOLS, NO DRILLING, NO SCREWS, NO HOLES: With the suction cup technology, it becomes extremely easy to install towel holder: simply position on a smooth surface, apply pressure and turn clockwise. EASY TO USE: It is very convenient to rent an apartment, people move frequently. Simply loosen the suction cup and take a towel hook. Within a few minutes, place in a new location. SUPER SUCTION SISTEM: Our shower hooks Holds up to 22 lbs. ATTENTION - Suction will not work over grout lines or on porous surfaces, such as: wood, porcelain, marble, wallpaper, natural stones such as Travertines, painted wall & any surface that is bumpy, etc...