Cabinet fabricated of 22-gauge (0.8mm) type 304 stainless steel. All welded construction with exposed surfaces having a #4 satin-finish. Door fabricated of type 430 stainless steel with bright polish finish. Mirror is 1/4" (6mm) plate/float glass with 15-year guarantee against silver spoilage. Three adjustable clear plastic interior shelves; one shelf having four cutouts to accommodate up to (4) toothbrushes.