Polyester thread, Finest quality high-tenacity spun polyester Sewability of cotton threads with the strength and economy of synthetics Available in over 500 colours Knotless construction Most popular general purpose sewing thread Ideal for single needle sewing, to serge and overlock Meets or surpasses all civilian, government and military specifications Certified according to STANDARD 100 by OEKO-TEX® Specifications: Tex: 27 Put-up: 6000 m / 6565 yd Break: 1.2 kg / 2.7 lb (approximately) Note there are many other colors, please contact us if you're looking for a specific color and we will get it added for you. Minimum purchase is $150 of these threads (any color is fine just a minimum purchase of 10 spools required as they are special ordered) Review this attached COLOR AVAILABILITY PDF and email us which colors you'd like.