Finca Metallic Embroidery floss is made with a polyester core for strength and 100% metal-fiber wrapping. It is also highly shred resistant. Finca metallic Floss is 6 ply divisible, to use alone or as a blender with Finca Cotton Embroidery Floss. It is popular for hand and punchneedle embroidery and needlepoint as well as a carry thread for knitting and crochet. 8m/skein.