Super Easy to install: Please make sure that the size is suitable before ! Fits shower heads with a size of 0.87inch/2.2cm. 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.. Vacuum Adsorption Principle: 3M stickers are recommended for all walls (3M stickers available). Make sure contact surfaces are clean before use. Super strong suction cup sucker which diameter is large 2.8-inches,good air tightness of the silicone material, suitable for Metal surface, Smooth glass, Smooth wood, Smooth tile. But not suitable for textured tiles, concave tiles, frosted glass, rough wood. 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, suitable for most of shower head, but not all. Please make sure the size is right before buying. 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,improves the ability to wash freely your kids or pets.