Wonderfil threads is a Canadian company. The Batty Lady receives shipments about every three weeks, so there are always new items arriving. There is thread for embroidery machines, sergers, sewing machines - home, mid-arm and long-arm. Cotton, rayon, polyester in yummy colors and made for quilting, sewing, embroidery, serging. Weights from 100 (very fine) down to 8 (hand sewing and bobbin work)