https://www.futureyarn.com/FDY-polyester-dyed-coloful-twist-yarn-210D-polyester-filament-yarn-for-thread.html https://www.futureyarn.com/Use-and-maintenance-of-weaving-polyester-yarn.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 for thread Minimum：500 Standard：75D 120D 150D 300D 400D 600D Unit：KG Pack： packed by weight,Customized