... ) color: natural white 3) usage: for sewing thread high tenacity polyester filament yarn for sewing thread 1. Denier: 100d, 150d, 210d, 250d, 300d ... applied to leather suture thread, quilting twine, sailcloth, fish net yarn, yarn for cables, advertising cloth for lampbox, high-grade sun waterproof ... .55000D/192F7.5±1.010-132.5-3.5 HT polyester filament yarn 300D