They are made using traditional handmade techniques,It is pure 100% natural mulberry Silk for DIY handmade embroidery Premium Material: Compared with other embroidery floss, our silk threads are smoother and softer, for it's all natural mulberry silk threads Wide Application: Suitable for hand embroidery, cross-stitch, DIY crafts, making beautiful decorations for your bedroom/wall/home, you can also use them to make gifts for your lover, weave friendship bracelets for your intimate friends or decorate your braids and so on Pay Attention To: These silk thread can not be run on the sewing machine, only for manual embroidery and manual repair, DIY jewelry and embroidery repair top clothes and the preparation of handmade products and for the production of cross-stitch and other crafts Please Attention ,MINGGUXIUYI index to trademarks registered with the United States patent and trademark office