Mettler Silk-Finish Cotton 50 is high-quality pure cotton thread with a subtle sheen, made from 100% long-staple Egyptian cotton. A sewing thread that is suitable for quilting, sewing or matt embroidery. Metttler Cotton 50 can be used with the sewing machine and is perfectly suited for longarm quilting. A soft, smooth, and silk-like thread that is both strong and shrinkage-resistant.