1. 【POWERFUL AND WATERPROOF HOOKS】 – so they can be used in wet areas such as bathrooms and kitchens. The shower hooks will be the accessory holder for your towel, bathrobe, loofah and other bathroom or kitchen items. 2. 【EASY & QUICK TO INSTALL WITHOUT TOOLS 】– No tools, no screws and no drilling holes on the wall by using the vacuum suction hooks. Simply choose a smooth surface, Easy install and never fall off. 3. 【REMOVABLE & RE-POST HOOKS 】– The heavy duty hooks are easy to remove and re-install in a new location for repeat use. Please use a credit card to remove and wash the suction cup with warm water before re-installation. The removable hanger hooks are ideal choice for condominiums and rentals. 4. 【SUITABLE SURFACE】 – The suction holders cannot be used on oiled surface, unfinished marble, rough surface or over grout line lime wall, emulsion varnish, wall paper, non-painted wood, mosaic etc. These vacuum suction hooks suitable for using on Wall Tile, Glass, Painted Wooden Door, Stainless Steel and other Impervious surface. 5. 【 PRODUCT】 – The holder hooks are made of TPE and ABS plastic, both of them have superior, long-lasting endurance, weather resistance, oil resistance, anti-aging, and no defects.