Embroidery Floss is basically mercerized cotton that is, a cotton thread covered with a polyester core. It is also known as 6-strand floss, stranded cotton, cotton Moline, six-strand embroidery floss. It is also manufactured in polyester, linen silk, and rayon. The thread is composed of six individual threads or piles. However, you can embroider with various types of threads but embroidery Floss is one of the most basic kinds also the most popular to work with. Embroidery Floss is used on the surface of the embroidery and most commonly while working with needle painting using the satin stitch, cross stitch or long-and-short stitch and counted thread techniques.