Features bright letters that indicate OPEN or CLOSED Message space is provided to post store hours and other important announcements. High-density polyethylene message panel. Includes an assortment of 300 white 1/2in. Helvetica-style characters. Adheres to glass with 4 clear suction cups. Quartet (R) Open/Closed Sign, 12 3/8in.H x 14 1/2in.W is one of many Signs available through Office Depot. Made by Quartet.