Main Material: ABS plastic material, 5 layers of coating material for shiny chrome finish. Conveniently designed swivel to adjust the angle of the shower head Straight and Adjust 20 Degrees from the Wall Mount. The suction cup shower holder can be easily removed and placed in a different place in a second, increasing your ability to wash your children or pets ly. : No Drilling Required, Clean the wall with a soft cloth before use. After the wall is dry, press the suction cup firmly against the wall and turn the transparent lowering button to the locked position. Wait for 15 minutes before use and make sure the suction cup is fully absorbed. .Strong Suction Shower Head Holder: Maximum load-bearing capacity: 7.5 pounds, when the wall is not smooth or has debris, the load-bearing capacity will be reduced. And Slot Diameter: 3/4". Fits most shower heads. But if you have a large handheld shower head. Please check the measurement. .When the wall surface is not smooth or not cleaned, there will be air leakage for a while after installation, and it is forbidden to place fragile items such as glass. It is recommended to re-adsorption on the granite surface every two months, re-adsorption on the smooth tile, glass, stainless steel surface every two months, and re-adsorption on the surface of 3M adhesive every 3 months. .The Shower Head Holder is suitable for smooth and non-concave convex smooth surfaces, such as ceramic tile, glass, smooth wood, smooth metal surface, etc. For other non-smooth surfaces, please use the 3M adhesive disc (provided in the package) first, such as rough wood, emulsion paint, textured tiles, etc. Please refer to the listing description for instructions.