high quality Easy to Install: You can install the suction adjustable shower head holder within 1 second. No drilling and no screws needed. The handheld shower head holder is stable, waterproof and rustproof, so it will not damage your wall and leave marks when removedShower Head Holder Measure: The shower head holder features an adjustable slot for holding existing shower heads, with a fit for shower hose bottom diameter between 0.7 and 0.9 inches (18 and 23 mm). Please note that it does not fit for shower hose bottom diameter greater than 0.9 inches (23 mm). We recommend measuring the size before purchaseUse Guides: This powerful shower head holder wall mount works best for non-porous, smooth surfaces such as glass, mirror, ceramic tile, polished metal, plastic board, etc. Please note that the suction cup will not work on any bumpy or uneven surfaceAdjustable design: The adjustable design includes a swivel to adjust the angle of the shower head and a removable and replaceable suction cup. The holder can be placed at any desired height, whether high or low, inside or outside the bath, making it suitable for use by children, elderly or disabled individuals who may not be able to reach the shower head. It can also be used to adjust the height when bathing a petWaterproof Material: The suction cup is made of engineering-grade ABS plastic, which is waterproof, rust/corrosion resistant and sturdy enough to be used in wet bathrooms for a long time