THREAD SPOOL: Features one 600 yard spool of Superior Threads Masterpiece 50-weight thread made from 3 plies of 100% extra-long staple Egyptian-grown cotton 100% COTTON: MasterPiece is an extra-long staple Egyptian-grown cotton thread LINT FREE: With the finest spinning, twisting, dyeing, and finishing techniques, Masterpiece thread has extremely low lint PERFECT FOR CRAFTING: MasterPiece threads are excellent for piecing, quilting, sewing, and for your bobbins MACHINE USAGE: Ideal for all types of quilting and sewing machines