Section 11 Textiles and textiles articles 55 Man-made staple fibres 55 09 Yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale 55 09 91 - - Mixed mainly or solely with wool or fine animal hair 55 09 91 00 - - Mixed mainly or solely with wool or fine animal hair Commodity Code Description 55 09 91 00 000 - - Mixed mainly or solely with wool or fine animal hair