Thickness 5 to 20mm cut-to-size hdpe pad exporter Thickness 5 to 20mm professional high density plastic sheet . henan okay.com: HDPE Sheet 48 x 24, White Polyethylene Grade, 0.5 Generic, HDPE (High Density Polyethylene) Sheet, Opaque White, Standard Tolerance, 14 Thickness, 24 Width, 48 Length by Technology Island (24 X 48) 7 $49.99 $ 49 . 99