Lordear SLY1700 Super Powerful Lock Heavy Duty Vacuum Suction Cup Hooks Razor Holder Organizer for Bathroom Kitchen Home, 4Pack NO TOOLS, NO DRILLING, NO SCREWS, NO HOLES - Simply position on a smooth surface, apply pressure and turn clockwise. Holds Up to 15 Pounds, No need to worry about heavy or wet items crashing down. Supper Suction and Long Lasting:purpose hooks made are designed to hang almost anything ATTENTION:DOES NOT WORK ON POROUS SURFACES; if you have natural stone, fiberglass, or textured tile, any surface that is bumpy,no suction cup can hold a vacuum and stay up. 100% Promise--When you order today, you're protected by a 100% money back guarantee if you are not satisfied with the item or service!