Womens Square Glasses Frames Prescription Eyeglasses 52-18-140 composite frame plastic lens non-polarized Lens width: 52 millimeters Lens height: 30.4 millimeters Bridge: 18 millimeters Arm: 140 millimeters SIZE: Eye: 52 MM X Bridge:18 MM X Arm Length:140 MM Vertical B: 30.4 MM Superior Material: High Quality ZYL Acetate Rx-Compatible: Specially tooled lens grooves of this frame allow the user to replace stock lenses with prescription lenses from his or her optician Accessories: Hard carrying case and micro cleaning cloth included Color: Black