Each spool of AURIfil Cotton Makó is mercerized - this enables fiber's contraction and increases the efficiency during the drying procedure. The result is a high sheen thread with a great washing resistance. The ideal thread for quilting, sewing and embroidery both by hand and machine. Cotton Makò 40 is a favorite thread for machine quilting and all purpose sewing. A little heavier than 50 wt to show off the quilting stitches. Slightly heavier than 50 wt, this thread is perfect for general machine quilting. Cotton Makò 40 has wonderful results with patchwork piecing creations, is really recommended for domestic and long arm quilting machines, and also suitable for garment construction. Green plastic thread holder. *Product cannot to be sold on any 3rd Party site such as Amazon, Etsy, Ebay or any other 3rd Party sites, unless approved by the manufacturer.*