Displays2go 48 x 36 Inches Enclosed Bulletin Board for Wall Mount - Silver Aluminum Frame (CBSD43SV) Sliding, 0.125-inch-thick tempered glass door allows for easy updating of announcements. Locking mechanism keeps notices protected while on display. Self-healing cork board offers a long-lasting, resilient tacking surface. Mounting hardware included with purchase. Dimensions: Overall: 48"w x 36"h x 2"d Viewable Area: 45"w x 33"h Interior Cork: 45"w x 33"h x 0.625"d Glass Thickness: 0.125"