Vacuum adsorption principle: 3" diameter super strong suction cup, no screws or drilling required, harmless to the wall surface. Place the shower head where you need it. Dimensions: projection from the wall: 110mm; base diameter: 70mm. Material and Finish: This shower head holder can adjust the angle when you watch and it can hold different styles of shower heads. To enjoy more angle. Made of engineering plastic (ABS) to ensure quality and longevity. High-end and shiny appearance. The new technique leaves the shower holder lightweight but made of industrial-grade plastic. Installation location: The holder is suitable for smooth non-concave convex surfaces such as ceramic tile, glass, smooth wood, smooth metal surface, etc. For other non-smooth surfaces, please use an adhesive disc (provided in the package) to overcome them first, such as rough wood, emulsion paint, textured tile, etc. Instructions: Please see listing description. Locate the shower head anywhere: No drilling on the wall or tile, no marks after removing the shower holder. Say goodbye to the inconvenience of the wall base. Color: silver Quantity: 1 piece