We manufacture HDPE/Recycled Plastic sheets of all different lours and textures. You can purchase a variety HDPE sheets from us here. Extra Information. Dimensions: 1/2 Sheet - 1220 x 1220 x 12.7mm, 1/2 Sheet - 1220 x 1220 x 15mm, 1/2 Sheet - 1220 x 1220 x 19mm, 1/2 Sheet - 1220 x 1220 x 6mm, 1/3 Sheet - 1220 x 813 x 12.7mm, 1/3 Sheet - 1220