The retail sign holder can be used as either a horizontal or vertical enclosure. This black frame is made of 7/16 inch thick high impact styrene plastic. The retail sign holder is 7 x 11 (H x W) with 8 inch stem on a centered 4 1/2 x 5 1/2 inch centered base. This kit is quick and simple to assemble and notices slide easily into the slot on the top. The retail sign holder is available in numerous sizes and qualify for cost effective quantity pricing when 24 are purchased at one time.