Very nice. Ordered this yellow Curtain Panel. The panels have a hint of a sheen--not quite as dramatic as silk but similar. The yellow is closer to a pale gold rather than vibrant yellow but that is exactly what I wanted. The background is a bit of a blue/gray white rather than a pure white. Fabric is fairly heavy with a white lining. I would say they are semi-room darkening. Probably good enough for a window that does not get full sun. But, these are for my dining room so that's not really a problem. I'd say that a casual observer would be hard pressed to tell the difference between these and custom drapes.