PolyMetal™ signage board is a high-density polyethylene (HDPE) with aluminum face and back. PolyMetal is available in seven painted lors and 3 metallic finishes. The recycled re of PolyMetal will not rrode. These lightweight, durable sheets can be digitallly printed upon. Sheet Sizes: 48" x 96", 48" x 120" & 60" x 120". Nominal