Silk Four Ply Crepe is a medium-weight 100% silk fabric that is machine woven with a slightly ridged surface and beautiful sheen. This Birch Silk 4-Ply Crepe Fabric is more durable and sturdy than other silk fabrics. The “4-Ply” in the fabric’s name refers to 4-ply crepe yarns made of 4 very tightly twisted strands of silk filament fibers used in the warp, or filling, direction of the weave. Silk Four Ply Crepe is an exceptional choice for the fashion designer for bridal wear, suits, jackets and more and the interior designer that is requiring a premium silk with a heavier weight and construction with a traditional silky look and feel. Fabric Weight: 40 MM The fabric is sold by the Yard, and measures 44 inches in width.