This is a Large LIGHT TABLE; 37 Inch by 25 Inch by 3 Inch Thick. Viewing area is 36 1/2 Inch by 24 Inches. The Table has two flourscent bulbs, which are replaceable. The main box is made of wood. The unit can be mounted ona wall or used on a work table or drafting table. We used it mainly for Printed Circuit Art Work. Weight 38 Pounds.