Rust Proof Anodized Aluminum InteriorPolished Edge Front MirrorInside Mirror BackNo Unsightly HingesOptional Mirrored Sides (MS)w/Mounting Hardware.Adjustable Glass Shelves130°+ door swing openingModel Number Overall Dim. Rough Wall Opening # Shelves List Price SD-12X26-SLM 12" x 26" 10" x 24" 3 $229. Optional Mirrored Surface Mount Kit #MSK-26 $65. SD-12X30-SLM 12" x 30" 10" x 28" 4 $259. Optional Mirrored Surface Mount Kit #MSK-30 $70.