Made of extra-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 threads. Available in 49 colors. Each spool contains 678 yards. 40wt, 3 ply. Fil-Tec's Cairo-Quilt thread is the perfect companion to the Magna-quilt prewound bobbins.