The DENIM DOC Thread Kit includes 4 spools of the Classic Denim Doc colors (2 spools of 3623 and 2 spools of 3624), 109 yds length. Thanks to its perfect combination of polyester core and cotton covering, DENIM DOC is the perfect thread for denim seams and for darning. The thread is particularly well-suited for closing, topstitch and serging seams. Excellent results can also be achieved when used as needle thread for matt embroideries. The thread is very suitable for standard sewing and embroidery machines. The perfect combination of polyester core and cotton covering guarantees an outstanding performance during sewing and in the seam.