4-Pack Power Lock Suction Cup Hooks,Black,by NL Home?

NL HOME Power Lock Suction Cup Hooks Includes 4 Suction-Cup Hooks Each One With 20 lb Capacity Non-Suitable Materials Natural Timber Wood Veneer Sheets Cracked Tile Mosaic Tile Imitation Brick Tile Unsealed Marble Painted wall Wallpaper Concrete Wall Instructions - Step One: Wipe Clean and Wipe Dry the Surface Before Use Scrub the surface with a household cleaner, rinse and dry thoroughly. Clean the surface with rubbing alcohol and dry thoroughly. A suction cup will not adhere well to a dirty surface. - Step Two: Press the suction cup firmly in place, making sure there are no air bubbles between the cup and the mounting surface. - Step Three: Place where you want them, pull down hook & locks in place. Only Sticks On Smooth, Flat Surfaces (glass, mirrors, and tiles) High Quality. Strong Suction. USA registered trademark and patented materials. NOT CHEAP suction cup hooks. Quick and Safe Shipment from USA. Quick Domestic Customer Services. Step Two: Press the suction cup firmly