1.【Vacuum adsorption】:Super strong suction cup sucker which diameter is large 2.7-inches,the high quality of strong scalability, good air tightness of the silicone material,given it strong adsorption capacity.2.【Easy to install】: suction cup shower head is easy to installation, 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.3.【Function】: shower holder allows you to place the shower arm at any desired height for easy to access by relocating the shower head.4.【Material】: shower head holder is made of plastic ABS with chrome polished; Plastic ABS handle and PVC suction cup, all are durable, non rusting and not easy to break, long life to use.5.【Extremely wide scope of application】: Holder is suitable for smooth and no concave convex smooth surface such as ceramic tile,glass,smooth wood,smooth metal surface,etc.The others non-smooth surface please use adhesive disc first.