NO DRILLING AND REMOVABLE: This shower head wall mount holder is easily self-adhesive, no drilling required, just a simple suction cup to securely attach the suction cup shower head holder to the wall. EASY TO INSTALL, JUST 10 SECONDS: This shower head holder fits most showers. But if it is a large hand shower, please confirm the size in advance. It can be installed with a built-in shower and you can easy to use and reassemble. Application: The bathroom towel rails are suitable for smooth, non-porous surfaces such as metal, glass, mirrors, windows, polished stainless steel walls, tiles and granite. Not suitable for wood, paint, oil, leaks and cracks on walls or other rough surfaces. Reusable and Washable Suction Cups: The adjustable shower holder is removable and reusable, leaving no stains or residue on the wall after removal. The suction cups are washable, reusable and durable. Material: silicon. This shower suction cup is soft, non-toxic, waterproof, easy to install, moisture-proof and waterproof. The handle has a fine texture and is comfortable to hold. Note: the walls should be cleaned before use, if the inside is stained with dust, please rinse with water and dry before reuse.