... 12PC/BOX,120PC/CARTON 100% SPUN POLYESTER SEWING THREAD have 20s/2,20s/ ... 1.2D x 38mm staple fiber, for polyester sewing thread, which is imported from Thailand, Indonesia, ... . It is the best raw material for 100% spun polyester sewing threads (20S, 30S, 40S, 50S, 60S, ... strandsAnd our leading products "BAOFENG" brand spun polyester sewing thread are adequate yarn length .high strength .free of knots ...