High Density Polyethylene or HDPE sheet, rod, tube. Cutting board grade HDPE, O&P, marine, pipe grade, in stock. View pricing, get quote, buy online. Have HDPE cut to size at large industrial supplier. 48 in x 96 in, 48 in x 120 in, 54 in x 96 in, 60 in x 96 in, 60 in x 120 in. HDPE rod sizes– diameter 0.250 in - 14 in, length 2 ft, 3 ft ...