... polyester sewing thread 20/2-60/1 2.100% spun polyester yarn 20/1-60/1 3.poly/poly core spun ... product: 1.100% Spun Polyester Sewing Thread (TFO AND RING) Paper or Plastic Tube, 20S/2,3,4----80S/2,3, ... and Bright Fiber, Raw White,Optical White,Bleach White 2. Poly/Poly (Poly/Cotton) Spun Core Sewing Thread ... Yarn 20S/2,3--80S/2,3 3.100% Spun Polyester YarnVirgin&Recycled20/1-40/1-60/1-80/1 We promise ...