This retail sign holder is 7/16 inch thick black high impact styrene plastic with mitered style edges. The frame is 3 1/2 x 5 1/2 (H x W) with an 8 inch (H) stem on a 4 1/2 x 5 1/2 inch shovel base. This retail sign holder can be used in the horizontal or vertical position and is ideal for end caps and under product containers for extra stability. The kit has a slot opening that makes it simple to insert cards. This retail sign holder is quick and easy to assemble.