Extra Strong: 3-ply 20s polyester — thicker and tougher than 20S/2.
Heavy-Duty Stitch: Coarse, high-tension seams for denim, bags, and outdoor gear.
Tough & Durable: Resists abrasion, heat, and chemicals.
Flexible Supply: 2,000/3,000 yd or by weight; custom colors available.
Specs: 20S/3 polyester sewing thread.
