Bought from Home Depot, planning to make a frame for it, but gave up on the project. It has a finished edged, to be used without a frame.  Paid $80 for it, asking $40. https://www.homedepot.com/p/Glacier-Bay-36-in-W-x-60-in-H-Rectangular-Frameless-Flush-Mount-Wall-Bathroom-Vanity-Mirror-in-Silver-81178/316331983