Threads for all your sewing/quilting needs We carry all of the OESD rayon threads, perfect for embroidery. Additionally, we carry Sulky 40wt. and 30wt. rayons. For regular sewing/quilting, we carry Mettler silk-finish mercerized cotton size 50 in a variety of colors (available in 500m and 150m spools). Our YLI products include: Wonder Invisible Thread in both clear and smoke, Pearl Crown Rayon and Jean Stitch in 100 yd. cones (various colors).