This sign holder has a clip mount that works on wire dump bins and corrugated box displays. The frame kit is made of 7/16 inch thick black high impact styrene plastic and is extremely durable. This sign holder is 5 1/2 x 3 1/2 (W x H) and has a 4 inch (H) stem. The enclosure is easy to assemble and works with both vertical or horizontal information cards. This sign holder has a slot opening so inserting signage is quick and efficient.