Good quality thread is essential for machines and the threads listed below all fit into this category.  A good thread is smooth, without bumps and travels through the tension smoothly. 

 

 Polyester thread is ideal for any fabric that gives or stretches and is often known as a multi purpose sew all thread.  Cotton is popular with patchwork and quilters who often sew with cotton fabrics. 

 

Maraflex is a special thread that is designed to make the sewing of highly stretch fabrics easier using straight stitch.