This sign frame comes with a 12 inch (H) stem and 4 1/2 x 5 1/2 inch shovel base. The black enclosure is constructed of high impact styrene plastic. This sign frame is 7/16 inch thick and 5 1/2 x 7 (H x W) with mitered edges. The kit is simple to assemble and the slot opening makes inserting the cards easy. This sign frame can be used with vertical or horizontal signage on end caps and bulk displays.