Founded in 1988 by one Canadian family, WonderFil Specialty Threads™ started with humble beginnings, offering only one single rayon embroidery thread line. Through their decades of hard work and passion, WonderFil® is now an international company participating in over one hundred events annually. We currently offer 36 unique thread lines all the way from 100wt to 3wt in cotton, polyester, rayon, metallic, and wool varieties. WonderFil® proudly takes the lead in designing innovative specialty threads and setting new standards in the quilting industry by advancing thread technology.