This 63-color polyester embroidery machine thread kit features 550 yards per spool with 40 weight standard, suitable for all embroidery and sewing projects. Each spool is individually wrapped and labeled with matching color numbers for easy identification. The thread is made of trilobal polyester yarn with second-generation technology, providing higher tenacity, enhanced sheen, and vivid colors. It offers excellent color fastness against laundering, bleaching, rubbing, washing, and perspiration. The kit includes a color chart for design matching and may contain bonus items like stabilizers, bobbins, or thread nets.