... yarn 1.AA grade 2.semi dull, clear 3.from 10D to 1680D We have 10 years manufacturing experience of "Sunrise ... ® spandex yarn• Pretty elastic, High elastic recovery rate, thermal stability • 10D,15D,20D,30D,40D,55D,70D,100D,140D,210D,280D ... according to customer's special request AA grade spandex yarn 10D-1680D