[VERY IMPORTANT STEPS]: Step-1>> Wipe the walls with paper and dry towels. Step-2>> Remove the film from the suction cup. Step-3>> Pull the protruding part up, clamp the wall and squeeze the air from the suction cup. Wait 10 minutes before using. Step-4>> Attach the shower head to the holder and turn the top disc clockwise to tighten it. [Great Adsorbability]: The suction of this suction cup shower head holder is 2-3 times that of ordinary suction cup. If the concavo convex surface is less than 1cm, it will automatically fill. Waterproof moisture, stronger adsorption, not easy to fall. [5 Angle Modes Adjustable]: Shower head for standard 3/4" connector, suitable for handheld shower heads and bidets bath shower, with 5 modes, 45 degree adjustable, reasonable design makes bathing more convenient. [Scope of application]: The universal shower rack is suitable for flat and smooth surfaces, ceramic tiles , smooth glass, stainless steel ect. Scope of application: The shower rack is suitable for flat and smooth surfaces, ceramic tiles, smooth glass, stainless steel ect. Wooden surface, granite, wallpaper, painted wall, latex paint, natural marble and other non-smooth walls, need to use auxiliary stickers. [Easy to Install and Reusable]: Without drilling, simple and easy installation and use effortlessly and quickly, leaves no marks after removing the holder.You can replace the shower or bidet holder anywhere, so that the holder can be reused and disassembled. High or low bathing position for children or parents who cannot reach the shower head.