Mettle thread gift sets contain the most popular colors of premium quality sewing thread. Metrosene plus all purpose 28Pc- ideal for synthetics, mixed fabrics, linen or silk. It produces a beautiful and durable seam. Machine washable, dry cleanable, heat resistant. No tension regulation necessary, optimal loop formation produces an even sewing results. Colors include 450, 120, 1412, 1095, 92, 224, 1091, 408, 406, 271, 350, 22, 1304, 825, 2000, 778, 1222, 975, 109, 638, 14, 503, 1423, 52, 411, 960, 415, and 4000. 164 yards/150 meters per spool. 100Percent polyester.