The Return Envelope (Small) - #6 3/4 comes standard with one color. An additional color can be added for $40 and you can choose what sections to colorize.
SIZE: 3 5/8 inches x 6 1/2 inches SEAL: Regular Seal COLORS: BLACK, RED (PMS 185), GREEN (PMS 347), BROWN (PNS 463), REFLEX BLUE, PROCESS BLUE