French Wire Gimp Wire, Flexible Round Copper Wire, Metallic Thread for Embroidery Projects and Jewelry Making, GoldenrodSize: about 18 Gauge 1mm diameter, about 10g/bag â Material: These metallic embroidery thread is made of flexible and smooth copper wire with matte appearance. â 3D Style: This copper metallic thread is distinctive from ordinary thread. Itâs a little Stretchy and has a long tude design with a certain extent of reflectivity, making the pattern emboidering on the clothes more vivid and eyecatching. â Usage: Fit as auxiliary decor material for your embroidery work, clothes, shoes, bags, hats. Also fit for jewelry making or other DIY craft. â Tips: it is a little stretchy with smooth texture, so do not squeeze or drag hard for long service life.