ZY-5768 600D Linen Type Cationic Fabric (WR)
https://www.oxfordfabric.net/product/cationic-fabric/cationic-dragon-cloth-matte-imitation-linen.html
600D linen type cationic fabric (WR) is a type of textile made from a blend of linen and cationic fibers that has been treated to be water-resistant. The "600D" refers to the denier, a unit of measurement for the thickness of individual fibers in the fabric. Linen is a strong, durable natural fiber that is often used in clothing and home textiles.