high quality 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,improves the ability to wash freely your kids or pets.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 weightPROVIDED ADJUST ANGLE 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 .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 contact surface, such as glazed tile wall, mirror, glass, etc.suction cup shower head is easy to installationREMOVABLE 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