DRAINS WELL - The drainage holes in the base of this suction cup toothbrush holder are to maximize ventilation and water flow, which makes your bathroom accessories clean. Durable to store not only toothbrushes and toothpaste but also makeup brushes and kitchen utensils in your bathroom, kitchen, RV, etc. ONE SECOND NO DRILLING INSTALLATION - No need to make holes and damage the shower wall, also use tools to install this suction cup toothbrush holder. Simply choose and clean a slippery surface, peel off the protective film, then squeeze the suction cup to expel all the air until you hear a "Boof" sound. Thanks to the 360 rotation, you don't worry about fixing this suction cup holder crooked. EASY TO MOVE AND CLEAN - This wall cup holder is removable and reusable. If you want to move it, simply use a credit card to remove the suction cup, then rinse it with warm water before re-installation.ATTENTION - This suction cup holder works well on tile, glass, stainless steel, acrylic, plastic, polished metal and any other smooth, non-porous surface.How to Use: Clean the surface and make sure it is dry. Press the suction cup firmly against the wall (expel the air to create a vacuum). Test the stability by hand.How to Reuse: To remove the mirror, use a sturdy card and slide it under the suction cup. Clean and soak the suction cup in warm water. Air dry or blow dry.Suitable Surfaces: The suction cup works best on tile, glass, stainless steel, acrylic, plastic, laminate and any other smooth, non-porous surface.The suction cup Will not adhere to grout or porous surfaces such as wood, porcelain, marble, wallpaper, natural stone such as travertine, painted walls, and any other textured surfaces.