Newly added poly poly core, which is a combination of polyester filament yarn and polyester staple fiber yarn inner core. This sewing thread increases the tensile strength by 30-40%, and with the combing process, it reduces the amount of hairiness. We produce 29/2, 29/3, 32/2, 36/2 and 40/2.This thread can be used in: high-end shirts, suits and down jackets, car interiors, tents, backpacks, and so on.