Review (2/5): Does NOT adhere to any surface.
This item does not stick to any surface. I tried every surface including my mirror and it fell off everyone. I did not send it back because the dryer holder is fabulous, I had my husband make me a structure that held the base and allowed for me to screw it in a wall stud. It works great now but please be mindful that the suction device DOES NOT stick or hold on any flat surface.