Made of 30% PVC and 70% polyester. No poison, high strength, free of azo, Specifications: ... %, weft-way elongation ≤12%3) Threads per centimeter in warp and weft: we have some specifications available, such as 6.3 ... x 4.7, 14 x 4.7, and 7.9 x 74) Thickness of threads: 0.28 - 1 ...