Mettler 100% Polyester 23/2 Extra Strong Thread Large Spools

Mettler Extra Strong 100% polyester thread, a heavy-duty sewing thread designed for seams under high stress. Suited to sewing leather, denim, and heavy fabrics, as well as button attachment and other applications requiring a robust, durable seam. For use by hand or machine. Recommended needle size: 90/14 or 100/16 Universal or Leather. Certified to STANDARD 100 by OEKO-TEX®.