This is a false cupro fabric. Viscose/poly twill woven fabric with cupro touch is a blend of viscose and polyester fibers, woven in a twill pattern, and finished with a cupro-like touch.
Viscose is a type of rayon fabric made from regenerated cellulose fibers. It is known for its softness, draping qualities, and breathability. Polyester, on the other hand, is a synthetic fabric that provides durability, wrinkle resistance, and enhanced strength.