"Our silk threads are all made from premium 100% filament Japanese silk. Filament silk fibers are smooth, strong, and lint free. We love sewing and quilting with silk threads, especially its gorgeous high-sheen presence." "100 wt. 2-ply filament silk thread. Designed for quilting, applique, and binding. Kimono Silk is incredibly smooth and strong, especially considering its fine diameter. Silk threads have a beautiful natural sheen and are a favorite for binding quilts, by hand or machine. Available in 80 colors, including favorite neutral and blending color tones, Kimono Silk will almost disappear into the fabric." 220 yd/ spool. One Spool