... 10/2,3,4---80/2,3,4 2.100% Polyester Sewing Thread 10/1---80/1 3.Poly/Poly Core ... Spun Thread 1.100% SPUN POLYESTER SEWING THREAD AND DYED YARN TFO AND RING 10/2,3,4------80S ... WHITE SEMI-DULL FIBER AND BRIGHT FIBER 2.100% SPUN POLYESTER YARN10/1---60/1---80/1, SEMI-DULL FIBER AND ... /POLY (POLY/COTTON) SPUN CORE SEWING THREAD AND DYED CORE YARN 20/2,3---80S/2,3.