Section 11 Textiles and textiles articles 55 Man-made staple fibres 55 13 Woven fabrics of synthetic staple fibres, <=85% weight by fibres, with cotton <170g/m2 55 13 12 3-thread or 4-thread twill, including cross twill, of polyester staple fibres Commodity Code Description 55 13 12 00 3-thread or 4-thread twill, including cross twill, of polyester staple fibres