Pottery Barn Classic White Shaker Wall-Mounted Medicine Cabinet With White Porcelain Knob. 17 " X 17" 1 Shelve Inside Is 15 3/4 X 5. See Photos As They Are Part Of Description. The item "Pottery Barn Wall Mounted Medicine Cabinet" is in sale since Thursday, October 31, 2019. This item is in the category "Home & Garden\Bath\Medicine Cabinets". The seller is "nstudio28" and is located in Front Royal, Virginia. This item can be shipped to United States.