MasterPiece Spool is a 600 yd. spool. 50 weight, 3 ply cotton thread made from extra long staple Egyptian grown cotton and designed for piecing, appliqu, and detail quilting. MasterPiece is a strong, low lint cotton thread that’s available in 79 solid color spools and 75 solid color cones. It also works well as a bobbin thread.Recommended needle: topstitch #80/12 needle.Thread Weight:50 wt. 3-plyYardage:600 yardsRecommended For:Quilting, sewing, and piecing