There are two broad qualities based on the embroidery yarn used to stitch design on it.

2 ply (Double ply)

This is fine quality 2 fold wool twisted yarn, with little sheen on it. As it is very fine, it makes about 60% more stitches to cover same amount of work as the other quality. It also gives room for more colors to be used to create shade effect.

Overall it gives sharp optical image to embroidery. This work is done on duck fabric. For The same pattern the price of this quality is more than 1 ply.

1 ply (Single ply)

This is traditional crewel embroidery with relatively thicker wool. Here the edges are not very sharp but gives excellent rustic image. This embroidery is usually done on handloom Dosooti fabric`.