The internal core is polyester, providing the thread exceptional strength and elasticity. Metallic needle is recommended, but not required. We've been testing this thread with regular 80/12 embroidery needle, and it still performed above all expectations.
The color selection includes all gradual shades of gold, silver and bronze you may need. It also offers a variety of most popular holiday colors, so this kit is spectacular for spicing up Christmas designs and other festive projects. Available Colors of Metallic Thread: