Ray-Ban Women&#39;s 4101 Jackie Ohh Sunglasses Acetate Frame. Acetate is a plant-based plastic known for being lightweight, yet durable. Crystal lens Non-Polarized 100% UV protection coating Lens width: 58 millimeters Lens height: 40 millimeters Bridge: 12 millimeters Arm: 135 millimeters Vintage-inspired sunglasses with prescription-ready lenses and logoed temples Includes protective case Ray-Ban products include an etched "RB" on the left lens. The RB is not a scratch or defect. The shape and curvature of these sunglasses may need adjustments. Adjustments should only be made by a professional. Made out of nylon material