... % Polyester Sewing Thread 10/2,3,4---80/2,3,4 2.100% Polyester Sewing Thread 10/1---80/1 3.Poly/Poly Core Spun Thread ... SEWING THREAD AND DYED YARN TFO AND RING 10/2,3,4------80S/2,3,4 PAPER OR PLASTIC TUBERAW WHITE,OPTICAL WHITE OR ... -DULL FIBER AND BRIGHT FIBEROPTICAL WHITE.3.POLY/POLY (POLY/COTTON) SPUN CORE SEWING THREAD AND DYED CORE YARN 20/2,3---80S/2,3.