... purl embroidery threads and common ones are 150D rerylen,rayon, spun rayon, etc.They are acceptable for computer-aided embroidery ... coneBox/coneFor each boxBox sizeN.WG.Wms1/110,12mic,25% metallic yarn,75% 150D polyester yarn125g10012.51870cm*37cm*39cm250g80202676cm*37cm* ... purl embroidery threads and common ones are 150D rerylen,rayon, spun rayon, etc.They are acceptable for computer-aided embroidery ...