Coats&Clark-Star Mercerized Cotton Thread. This Is An Economy Spool Of Cotton Thread. It Is Made Of 3-Ply, Size 50 Mercerized 100% Cotton That Is Ideal For Long Arm Quilters And Other High Users. This Package Contains One 1200 Yd Spool. Available In A Variety Of Colors: Each Sold Separately. Imported., 1 Pack of 1 Piece