18 in W x 30 in H. One-piece, 1/2 x 1/2 x 3/8 in channel-frame. Type 430 stainless steel with bright-polished finish. Mitered corners. Frame screw permits easy replacement of glass. No. 1 quality, 1/4 in glass mirror, warranted against silver spoilage for 15 years. Galvanized steel back. Secured to concealed wall hanger with theft-resistant mounting. Bobrick Channel Frame Mirror, Snap-Lock, Series: B-165, Rectangle Shape, 18 in Width, 3/4 in Thickness, Plate Glass Lens, 430 Stainless Steel Frame, Galvanized Steel Backing, Bright Polished, Domestic/Import: Domestic