Mettler's Silk-Finish 40wt Solid Cotton Thread is 500 yds or 457 meters and is perfect for all of your quilting, sewing, and long arm cotton needs. This Silk-Finish 40wt Solid Cotton Thread has a high breaking resistance and is great for your next quilting or sewing project. It is recommended that you use a 80-90 size needle with this thread. There are 24 different colors of Mettler's Silk-Finish 40 weightsolid cotton thread for you to choose from.