Kotap 20-ft x 20-ft General Purpose Blue Poly Tarp, Item: TRA-2020 FINISHED SIZE: 19-Feet by 19-Feet 6-Inch Rust-Proof Aluminum Grommets every 3 feet and on each corner Woven and coated polyethylene All edges heat-sealed and reinforced with polyethylene rope Rot and Shrink Proof