Shappe Span is a polyester fine sewing thread spun in a special process called the "Silk System", which grew up in a long tradition of Europe. The polyester thread has been inherited by the superior processing of spun silk, which is strong, beautiful and easy to sew. No. 60, 2384.3 ft (700 m), 100% Polyester *Please use sewing machine needle No. 9-14.