Amann Strongbond is made from bonded polyamide 6.6 continuous filament material. This robust sewing thread provides maximum durability and is great for sewing heavy seams and for multi-directional sewing. Perfect for shoes, bags, suitcases, belts, and small leather goods. Recommended needle sizes: 90-110 (14-18). Available in a variety of colors. Please note: actual color may vary from picture due to computer monitor variances.