Tex 45 Nylon Bonded Strongbond 9000YD - 1 lb. 3329 NectarAmann 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.