[Reusable Suction Cups]: Heavy duty suction cups are reusable and can be used to mount many items on glass, mirrors, tiles, metal surfaces, etc. [Easy to Install]: Window hooks suction cups are easy to install and remove. They don't require any tools. [Strong Suction]: Heavy duty suction cups provide strong suction to hold items firmly in place. [Multipurpose]: Suction cups are great for hanging decorations, shower hooks, curtains, kitchen utensils, and more. [Durability]: Shower hooks suction cup are made of high quality ABS material, which is durable and can withstand heavy weight. How to use: Before installing the suction hook, the surface must be clean and dry. First, the suction cup must be firmly pressed for 3 seconds to squeeze out the air, and then the pull hook must be pulled down to lock it on the wall surface. Then hang your clothes, towels, sponges, bathrobes, bedroom dressing, loofah, etc. NOTE: The vacuum hooks cannot be used on any porous, uneven, rough or textured surfaces, such as rough coated surfaces, travertine tiles, porous tiles and unpolished marble or wooden door surfaces, etc. Quantity: 4 Pack / 2 Pack Colour: Silver Material: ABS Package Contents: 4 * Hooks / 2 * Hooks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.