Sulky Thread Rayon Thread 30 Weight at discount prices! Ideal for enlarged computer machine embroideries blanket stitch applique top stitching flat lock serging rolled edges and quilting by hand or machine. Beautiful silky colors fill in quicker and fuller 1/3 thicker than 40 count. Smooth snap-end spools fit all sewing machines and do not tangle or snag. Cross-wound thread ensures even consistent flow for superior stitch quality. 30 Weight 180 Yards.