Gütermann sewing set of sewing wires containing 30 coils of souting wires 100 meters n ° 50 in 100% mercerized cotton. The cotton cotton sewing wire is the appropriate sewing wire for decorative and stitching seams, surfing and overhead seams, buttonholes and buttons. Elastic and expandable, it is resistant to light and guaranteed large complexion. Aiguille and needle size recommended: Universal needle n ° 60 - 80.