Keep your collection of stamps safe and protected from the elements with Showgard Stamp Mounts. This set of strip stamp mounts is for mounting 260mm (W) x 59mm (H) stamps - which include the US Double Press Regular Issue Strips of 20 as well as many others. Use a Stamp Mount Cutter to cut down these stamp mount strips down to size. These Showgard Strip Stamp Mounts are sold as a package of (10) black mounts.