We have a variety of raw poly sheets available for purchase, from high-density polyethylene (HDPE) sheets to rolls of high-molecular weight polyethylene (HMWPE). Choose from HDPE or UHMW plastic in full or partial sheets to meet your specific needs. Sheet Size; 4 mil: $22.50: 4' x 8' 6 mil: $36.25: 4' x 8' 6 mil: $45.00: 5' x 9' 10 mil: $54