Unisex Sleek Squared Prescription Rx-able Eye Glasses Frames composite frame plastic lens non-polarized Lens width: 56 millimeters Bridge: 18 millimeters Arm: 145 millimeters SIZE: Eye: 56 MM X Bridge:18 MM X Arm Length:145 MM Vertical B: 0 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: Gunmetal