GÜTERMANN Natural Cotton is a mercerized cotton sewing thread designed for quilting, patchwork, and everyday seams on many fabric types. Each 100 m (109 yd) spool is colour 7760 Solid Blue Grass, ideal for piecing, topstitching, and hand finishing when you want a natural-fiber look. The high-strength, glossy finish helps stitches stay neat and durable for smooth, consistent results while keeping the focus on your fabric and pattern.