HDPE (High Density Polyethylene) Sheet, Opaque Off-White, Standard Tolerance, ASTM D4976, 0.06" Thickness, 12" Width, 12" Length 7 $4.98 $ 4 . 98 UHMW (Ultra High Molecular Weight Polyethylene) Sheet, Opaque White, Standard Tolerance, ASTM D4020, D6712, D4976, 1/16" Thickness, 12" Width, 12" Length 17