Available in 4-foot lengths, in either solid white or solid black, Qty 4 pack.Dimensions are 4′ x 15/16″ x 15/16″ and 1/16″ thick. Also used as mounting track for small display items. Attach with small nails, staples, screws, or double-sided foam tape.Made in USA with durable, non-yellowing, rigid PVC plastic with a matte finish that may be painted.Shipping is a flat $22 regardless of order quantity. See also our listing for 8-foot lengths. We are an established manufacturer and distributor of corner moldings for the home improvement industry.