Features of the White Duck Outdoors Heavy Duty Poly Tarp Built from ultra reliable polyethylene material Extra reinforced material, corners and edges for ultimate durability Treated to be water/rot proof and mold/mildew resistant, with extra UV protection against fading Tear and rip resistant for four-season protection, designed for all-weather Performance Rust-proof brass eyelets for easy tie-down and tension Rope reinforced hems, plastic bar on all corners with additional rivets Perfect for agriculture, construction, home, industrial or commercial use Material: High-Density, tightly woven polyethylene, laminated on both sides Fabric Construction: 10 mil thickness, 14x14 weave Fabric Treatment: Waterproof, mold, mildew and UV-resistant treatment Seam Finish: Poly Twine rope/border piping on corners and edges, heat sealed seams and hems HardwAre: Rust-proof brass eyelets, plastic capped bar on all corners with additional rivets Grommet Spacing: 1.5 feet / 18 inches apart