This assortment contains 24 Sulky 60 Wt. PolyLite Colors (12 Solid colors and 12 Multi-colors on 440 yd. spools). Quilters love Sulky PolyLite because it flows like butter through a long-arm or domestic sewing machine with virtually no tension adjustments needed. Perfect for micro-stippling, fine detail embroidery, or quilting and more accurate piecing.