Kimono Silk is a 100 wt. 2-ply filament silk thread that is as smooth as thread gets, with its fine, lint-free nature allowing for smooth stitching whether you are quilting on home or longarm machine, binding your quilt, or stitching an appliqué project. From Superior Threads. 100wt Colors include: 373, 375, 378, 377, 379, 380. 6 spools/220 yds each.