Section 11 Textiles and textiles articles 52 Cotton 52 10 Woven fabrics of cotton, containing less than 85 % by weight of cotton, mixed mainly 52 10 12 Unbleached 3 or 4-thread twill, with <85% cotton, =<200g/m2 Commodity Code Description 52 10 12 00 Unbleached 3 or 4-thread twill, with <85% cotton, =<200g/m2