https://www.futureyarn.com/polyester-filament-FDY-weaving-yarn-900D-Polyester-Multifilament-Yarn-For-shoes.html Product Name: High Tenacity FDY Yarn (Industrial FDY Yarn, Multifilament FDY Yarn) Color: White, Dyed/Dope dyed colors (customized) Yarn Count: 120D,150D,240D,250D,300D,450D,600D,850D,900D,950D Brand：Futureyarn/Customized Model：polyester yarn Minimum：500 Standard：900D Unit：kg https://www.futureyarn.com/Textile-fabrics-What-is-Fully-drawn-yarn-and-Draw-textured-yarn-filament.html https://www.futureyarn.com/The-production-process-of-Fully-Drawn-Yarn.html