BOPai Vacuum Suction Cup Shower Head Wall Mount Holder Removable Handheld Showerhead & Bidet Sprayer Adhesive Bracket Chrome VACUUM ADSORPTION PRINCIPLE:Super strong suction cup sucker which diameter is large 3-inches,the high quality of strong scalability,good air tightness of the silicone material,given it strong adsorption capacity.Bopai Holder-A single suction can bear 7.5 pounds maximum weight and keep it for about 1 year. EASY To INSTALL And CONVENIET For REMOVE Or RELOCATE:No drill.Clean and dry the smooth position.Press the holder.Slide down the lever.even the whole process finished in seconds.And Convenient to remove or reuse after clean.Now you can place your shower or bidet sprayer to anywhere you want.high or low position,inside or outside of bathtub.for your wife,kids or parents that if somebody can't reach the shower. SLOT DIAMETER:3/4".Fit 3/4" handheld shower/sprayer/wands.Notice:Some Waterpik massgaes can't fit this holder.This holder can't adjust the angle of the shower head.It's pretty much in a solid fixed position.If mind,please order Bopai adjustable style B01MUWHP80 MAIN MATERAIL:ABS plastic material,5 layer coating material for shiny chrome finish.Light weight but heavy duty engineering grade plastic. 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 3m adhesive disc first(provided in package)to overcome them, such as rough wood,emulsioni paint,textured tile, etc.Instructions please view the listing description