0763 Dark Rattan Smooth running and reliable for high quality embroidery! Isacord is a standard among embroidery enthusiasts. The polyester thread has been engineered from raw materials of the highest quality to give the right amount of elasticity while you run at higher speeds without looping or puckering. 1000m Spool Cozy Chatter: We use quite a bit of Isacord thread around Cozy Quilt Shop! Almost all of our embroidery samples are made with this Cozy Favorite.