GÜTERMANN Natural Cotton 50 is a fine, strong sewing thread made from 100% mercerized cotton, designed for quilting, patchwork, and garment sewing on natural-fibre fabrics. This spool contains 250 m (273 yd) in Ruby Red for smooth stitches in piecing, topstitching, and decorative seams by hand or machine. Use a universal needle NM 70–90; its elegant gloss and washability up to 95°C support neat, durable results.