this products can be use in various purpose especially as embroidery thread. ST-TYPE Polyester filament yarn round covered with M type metallic yarn (12micro 1/69")at the fully closed regular intervals.We recommend to make test on the samples for macrp-use if it is have chemical requirde.color is red,green,blue,gold,balck...TYPECONTENTLENGTH/KGSTANDARDCONESN.W.G.W.CARTON SIZEST(L,B,MS)12mic,1/69, ...