3/8″ high density plastic board application Spain grey high density plastic board 1/4 application-- Cus-to-size Cutting Board – 1/4″ x 12″ x 12″ [] grey high density plastic board 1/4 application Cutting Board – 1/4″ x 12″ x 12″ Black – Piedmont Plastics Piedmont Plastics offers HDPE for cutting boards in three standard sheet sizes: 48” x 96”, 48” x 120”, and 6