BLAKE BLACK Acetate Frames Acetate is an Eco Friendly material made of nylon-based plastic derived from wood pulp and is hypoallergenic. There are many reasons to choose a frame made of acetate. The triple bottom line for acetate sunglasses is Style, Comfort and Durability. Cellulose fibers bend fairly easily when force is applied to them, giving the acetate material great flexibility which allows to glasses to mold to your face for maximum comfort. COLOR: Black & brown Lenses: Black Lenses Type: Polarized UV400 Protection Measurements: 15, × 4 cm Comes with a Brand-stamped case and cleaning cloth