This beautiful thread from Aurifil is a long staple Egyptian cotton, giving the strength needed for high speed machines. It has a soft sheen because it is mercerized. Quilters love it for piecing and quilting in both top and bottom. Suggested needle: 70/10 or 80/12. 100% Egyptian Mako cotton long staple, mercerized thread. 6452 Yards – 5900 Mt, Color #5019. Made in Italy.