Despcriptions: 1.Specifications:20D,40D,70D etc 2.Advantage:Japanese TOYOBO ... Main products high-end bare spandex yarn with the specifications of 20D,40D,70D,105D,140D,210D,280D, ... can customize for our clients UsageCovering core, air interlacing yarn, circularly knitting, warp knitting, weft knitting, stockings, ... the global spandex market. Bare Spandex Yarn Elestic Yarn SD,BRI 20D,40D,70D,140D etc