Finished Size:4.6' x 6.6' 100% Shade Protection 18" Grommet Spacing Water Proof 14 mm Heavy Duty Polypropylene Material Rope Reinforced Edges Each black tarp is also reinforced with a heavy-duty, 6-ounce, 14-millimeter thick poly material, so it's built to resist tearing, fraying and stretching for years of high-quality use. The 14 x 14 mesh count means the material is incredibly protective but also manageable and easy to move around, so you can transfer it from the garden to the shed to the campsite with minimal effort.