This sign frame is black 7/16 inch thick high impact styrene plastic. The holder has mitered style edges and a slot opening for inserting your notices. This sign frame is 11 x 14 (H x W) with a 4 inch (H) stem and 4 1/2 x 5 1/2 inch shovel base. The kit is quick and simple to assemble and works in both the vertical and horizontal position. This sign frame is ideal for end caps and bulk displays.