Woven High Density Black Polyethylene Fibres, Warp X Weft - 1214 X 1214 Per Square Inch, Laminated On Both Sides With Low Density Polyethylene And Reinforced Rims By Heat Sealing On All Sides (or 2 Sides Heat Sealing And 2 Sides Double Stitching). Nylon Ropes In Hem. 1000 Denier Minimum.