• Works with 12"h x 18"w aluminum or corrugated plastic
• Works with double sided signs and riders
• Sign slides easily into the frame--no hardware required
• Sign Dimensions: 12"h x 18"
• Rider Dimensions: 6"h x 18"w
• Material: 3/4" angle iron with a black powder coat finish for
  outdoor durability
• Frame Dimensions: 43"h x 19"w