The Oliver shower mirror by Tooletries.

The poly-carbonate shatterproof mirror ensures durability
Instantly sticks without screws, suction cups or adhesives
Use as a shaving mirror to save time and the clean up
The patented silicone compound grips to shiny surfaces like glass, marble and metal tiles
Never loses its grips, no matter how many times it's been moved
Designed to fit neatly above or beside the Toothbrush Holder or the Razor Holder.
Measures 6.5 x 5.5 inches