Unisex Ultra Thin Semi-Rimless Glasses Frames Prescription Eyeglasses 49-17-135 metal frame plastic lens non-polarized Lens width: 49 millimeters Lens height: 30 millimeters Bridge: 17 millimeters Arm: 135 millimeters SIZE: Eye: 49 MM X Bridge:17 MM X Arm Length:135 MM Vertical B: 30 MM Superior Material: Stainless Steel 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