Canvas Tarps 100%cotton Waterproof,anti-UV,Rinproof, ... truck boxes.Quality Thread.All thread on Top Quality Canvas Tarps is high strength bonded polyester thread.Waterproofed Canvas.Triple ... 1000D×1000DYarn Density14×14ColorRed,Blue,Yellow,Green,Black,White,Grey,any color is available.Weight18oz, From 350g ... s request, and four edges are folded by sewing (heating or welding) and reinforced by nylon rope ...