Vacuum Adsorption Principle: Super strong suction cup sucker which diameter is large 2.8-inches,the high quality of strong scalability,good air tightness of the silicone material,given it strong adsorption capacity. suction can bear 7.5 pounds maximum weight. The pack also contains 1 sticky disc for other non-smooth surfaces. Super Easy to install: No tools need, it is self-priming installation without drilling, you only need to put the suction cup to grip the dry and smooth contact surfaces, such as glazed tile wall, mirror, glass, etc. ★Please make sure the contact surface is clean before use. Provided Adjust Angel Capacity: Adjustable designed so that convenient to adjust the angle of showerhead on straight and adjust 30 degrees from the wall. The shower head holder is rotating 360 degrees. Main Materail: ABS plastic material,Light weight but heavy duty engineering grade plastic. Suction cup shower holder can be easily removed in a second & placed at a different location. ★Fits most standard shower heads and hoses, but not all. Please make sure the size is right before buying! Removable Design: Removable shower wand holder allows you to place the shower arm at any desired height for easy to access by relocating the shower head holder. If you are not satisfied with our product and have any problem with the product (eg: damaged/defective), please feel free to contact us and we will provide returns, exchanges and refunds for free