Spun polyester sewing thread is a kind of very commom sewing thread.It is of high-tenacity,low elongation,full-colors 100% Spun polyester sewing thread is a kind of very commom sewing thread. It is of high-tenacity, low elongation, full-colors,and high color grade. Ordinarily divided into two-for-one twister thread and non-two-for-one twister, the former has the feature of few knot, which can be ...