Robern CB-RC2426D4FP2 R3-Series 2-Door Plain Mirror Medicine Cabinet 3-mirror construction - front of door, back of door and inside of cabinet Thin door and off-set hinge allow for more storage than any cabinet of similar size Two adjustable cantilever glass shelves Rough opening: 22"W x 24"H x 4"D; Recessed cabinets project 1" from wall Sconces, top lights and side light kits (sold separately) improve visibility and enhance the appearance of the cabinet