Supply High Tenacity Filament Sewing Thread 120D/3,210D/2,210D/3,210D/4,210D/2X3,250D/3,420D/3, ... 630D/3,840D/3 We can supply top quality high tenacity polyester filament sewing thread, ... fastness, more colorful and much shinier than 100% spun polyester sewing thread, and softer than nylon sewing thread, and ... 3,210D/2,210D/3,210D/4,210D/2X3, 250D/3,420D/3,630D/3,840D/3 etc. Normal ...