40 wt. 3-ply Egyptian-grown extra-long staple cotton thread. Designed for quilting. You and your machine will love the low lint, tight twist, and smooth feel of nature's finest thread. *Resellers cannot list Superior Threads products on any third-party website, such as Amazon, eBay, Overstock, etc. or any others, without prior written consent from Superior Threads.* King Tut is one of nature’s finest threads. It is certified Egyptian-grown, extra-long staple cotton and designed for quilting on both home machines and long arm machines. With the finest spinning, twisting, dyeing, and finishing techniques, King Tut has extremely low lint. You and your machine will thoroughly enjoy the quilting experience. Available in over 100 variegated and solid colors.