GÜTERMANN Cotton 50wt Thread, 250 m (273.4 yd), Black, Strong & Lustrous for Sewing is designed for sewing, craft, repair, classroom, and creative project work. Material/composition: cotton. Size/format: 250 m; 273.4 yd. Colour/design: Black. The format is suited to craft rooms, sewing baskets, classroom bins, project totes, and organized maker spaces. It keeps supplies easy to identify, use, and return to storage between projects.