HDPE (High Density Polyethylene) Sheet, Opaque White, Standard Tolerance, UL 94HB, 1/8" Thickness, 24" Width, 48" Length. 4.3 out of 5 stars. 55. 1 offer from $21.31. HDPE Sheet High Density Polyethylene - Plastic Sheet 1/8" Thick 24" Length x 48 Width White. 5.0 out of 5 stars.