Suction Cup Hooks:(4-Pack) Suitable for smooth, non-porous surfaces only. Not intended for painted walls, wallpaper, drywall, mosaic tiles, frosted/textured glass, marble, or wood. Product Dimensions: This suction cup hook measures 2.63 inches wide by 1.89 inches high. Featuring a stainless steel shell, it is corrosion-resistant and rust-resistant, providing reliable protection against bathroom moisture and water vapor. Bathroom Hook equipped with Vacuum Attachment Technology delivers a strong 11lbs. weight capacity, securely mounting to shower tiles or glass walls to hold wet towels, robes, and clothing without slipping. No tools are required for installation. Choose a smooth surface and these steps: 1. Tear off the protective sticker. 2. Press the suction cup firmly against the wall to expel the . 3. Rotate the suspension rod to the right until it locks securely. Note: Before installation, please clean the wall surface thoroughly. If the installation isunsuccessful, rinse the suction cups with water, allow them to dry, and then reinstall. Reusable Design: Stainless Steel Hooks are not intended for use on frosted surfaces, wallpaper, or irregular wall surfaces. If the hook loses suction, wash the suction cups with water and use a hairdryer to soften them before reinstallation for improved performance. APPLICATIONS: Install the hooks on smooth wall surfaces for reliable performance. Ideal for use in bathrooms, glass doors, kitchens, window glass, mirrors, tile surfaces, polished stainless steel, acrylic panels, and more. Perfect for hanging loofahs, towels, robes, and other lightweight household items.