The "Xtra" Performance Thread for the 21st Century. Polyester-wrapped, core-spun construction creates a thread that is strong and smooth. A medium weight thread sized for most hand and machine sewing. Use on all fibers, knits, and wovens.
Specifications

Coats Dual Duty Xtra Performance Thread is a Consistently strong, smooth thread for trouble free sewing. Use on all fibers, knits and woven fabrics. Thread is 35wt and is available in a range 19 Colors, 500 yards per spool, 3 spools per box,240 spools per case. Machine needle size: 11-14,16,18,