GÜTERMANN Denim is a professional jeans thread made for robust seams and decorative stitching on denim and other sturdy wovens. This Copper spool contains 100 m of 100% polyester thread in thickness No 50, suited to closing, topstitch, and felled seams. It is scrub resistant and colour-fast, and it is intended for use with a jeans needle NM 90–110 on medium to heavy denim for a clean, traditional look.