Made of long staple, Egyptian cotton, each spool of Cairo-Quilt thread is made in the USA. Resistant to tangling and knotting. Don't confuse the economic cost for poor quality. Fil-Tec puts their money into making quality thread. Available in 30 colors. Each spool contains 3000 yards. 40wt, 3 ply. Fil-Tec's Cairo-Quilt thread is the perfect companion to the magna-quilt prewound bobbins. Cairo-Quilt is a Tex 35, #50, 40wt thread.