This could also be a high-quality polyester satin that mimics the look and feel of silk. Polyester satins are often more durable and less expensive than silk, while still offering a beautiful drape and sheen. The deep black color remains rich and saturated, and the fabric appears smooth and luxurious. This type of satin is versatile and can be used for a wide range of garments, from dresses and blouses to skirts and linings.