DMC Light Effects is a divisible, six-strand thread that glistens with reflective qualities—adding a special touch to your stitching. This 100% polyester thread is colorfast, tarnish resistant, and comes in 8.7-yard skeins. Add a little twinkle to your hand embroidery with Light Effects! Light Effects comes in 36 colors and varieties are: Precious Metals, Pearlescent, Jewels, Flourescent, Antiques, and Glow-in-the Dark.