Spun Polyester Sewing Thread: Polyester Staple Fiber Count: 20S/6 - 70S/2 Quality: Extra Lubrication,Non-Knot, High-Resistance • Material100% Polyester Staple Fiber, 100% Polyester Filament ... Sight,•Price TermFOB, CIF•FOB portNingbo, Shanghai - Demonstration Usage of Spun Polyester Sewing Thread