Baby Blue Bottom Line 1420yd 60wt Applique, quilting and Bobbin Thread, Designed by Libby Lehman. A 60 wt. 2ply lint free filament polyester. A versatile thread which can be used in many applications. Available in 55 colors. Ideal for hand and machine applique, detail quilting, embroidery, stitchintheditch, bobbin thread, trapunto, binding, free standing lace, heirloom sewing, serger thread and garment construction. Wonderful thread choice for micro stippling. Best choice as a bobbin thread for sewing with all types of top thread including mettalics and designer threads. Its silklike finish allows it to slide, not grab, to form the perfect stitch.