CK Women's CK4189SL 001 Rectangular Sunglasses Imported Plastic frame Plastic lens Non-Polarized 100% UV protection coating Lens width: 57 millimeters Bridge: 16 millimeters Arm: 125 millimeters Cr 39 lenses that are lightweight, scratch-resistant and ultra violet protective Lenses are prescription ready Case included Case Included Lenses are prescription ready (Rx-able)