... sewing thread 10/2/3/4-80/2/3/4 2.100%spun polyester yarn 10/1-80/1 3.poly poly core spun ... and so on.This is the catalogue for our product: 1.100% Spun Polyester Sewing Thread (TFO AND RING) Paper ... or Plastic Tube, 20S/2,3,4----80S/2,3,4 Heat Set Yarn, Air Knot, Semi-Dull ... Dyed Core Yarn 20S/2,3--80S/2,3 3.100% Spun Polyester YarnVirgin&Recycled20/1-40/1-60/1-80/1 We promise to quote ...