3.5" silk ribbon for emellishment and hand embroidery is 100% silk. The ribbons are woven using fine reeled silk which still has the sericin in it. This acts as a natural sizing. The warp threads are two strands of fine silk which are twisted together. There are 300 fine warp threads per inch. The weft is a single silk strand. The ribbon is woven in plain weave, where the weft goes over one warp thread and under the next warp thread, repeating the over-under pattern. And, the edges have a selvedge which allows the silk to remain smooth as you hand-stitch with it. Ribbons and colorfast and should be washed in tepid or slightly warm water. Each skein is 5 yard
