MicroQuilter 100 wt. polyester thread. Designed for Quilting and Applique. MicroQuilter is a 100 wt. extra-fine polyester thread designed for invisible machine applique and detail quilting . An extremely fine thread that can be sewn with a very small needle rendering the thread virtually invisible. MicroQuilter is noticeably strong, especially considering its thin diameter and is the preferred thread for micro stippling and miniatures. MicroQuilter is available in 30 blendable colors on 3,000 yd. cones AND 800 yd. are in stock! Needle Recommendation: Superior Micro-Tex #60/8 red package available here (incl below).