This sign holder is 3 1/2 x 5 1/2 (H x W) and can be used in either the vertical or horizontal position. The frame kit is constructed of 7/16 inch thick black high impact styrene plastic and is simple to assemble. This sign holder has a 4 1/2 x 5 1/2 inch shovel base. The enclosure has a slot opening for inserting the cards and mitered style edges for a finished appearance. This sign holder is also available in a variety of other sizes and when 24 are purchased at one time qualify for cost effective quantity pricing.