Super Vacuum Adsorption: Super strong suction cup, reusable design, will not slide on the wall tiles. Our suction cup shower head holder holds up to 5kg. The suction cup has a diameter of 7 cm and has excellent flexibility and good airtightness. It is moisture and water resistant and has a long service life. No Drilling Installation: Free installation tools, no drilling required. You simply remove the shower head holder from the left marking, clean and dry the smooth spot, and press the holder down. To install, press firmly on the center of the suction cup to release the air and lock the knob clockwise. 360 Rotation: Our shower head holder can be rotated 360 to meet your needs from every angle. Standard fittings accommodate virtually all hand showers and shower hoses, so you can enjoy your worry-free shower. ABS plastic bracket and PVC suction cup, sturdy and durable, not easy to rust or break. The suction cup shower shelf can be easily removed in seconds and placed in another place of your wife, kids or parents, in case someone is out of reach to shower. - Convex surfaces such as tiles, glass, smooth wood, smooth metal surfaces, etc.