DMC Diamant is a metallic thread of viscose wrapped with metallic polyester coating and treated with silicone. It is a smooth thread to stitch with and it passes through fabric easily. Softer than the DMC 6 ply metallic and it holds up well to stitching. It is smooth, compared to other metallics. Works well for surface embroidery. Diamant is equal in thickness to about two strands of DMC floss. For cross stitch, on higher count linens like 34-36 count, Diamant works well over 2 threads of fabric. Each spool is 35 meters or 38.2 yards, Made in Japan.