Ray-Ban RB 4091 sunglasses, a model known for its shield style and oversized plastic frames, designed for women. These sunglasses often feature gradient lenses, such as brown or gray, and the Ray-Ban logo on the temples. The frames are typically made of propionate plastic, also known as cellulose acetate, which is lightweight and durable. Excellent condition Perfect for any occasion, these sunglasses offer both fashion and function. Comes with a matching black case for easy storage.