DALIX Mens Dapper Classy Prescribable Eyeglasses Glasses 54-18-146 (Black, Brown) metal frame plastic lens non-polarized Lens width: 54 millimeters Lens height: 31.75 millimeters Bridge: 18 millimeters Arm: 146 millimeters SIZE: Eye: 54 MM X Bridge:18 MM X Arm Length:146 MM Vertical B: 31.75 MM Superior Material: Stainless Steel Rx-Compatible: The Special Grooves of this Frame allow you to replace the lenses of this frame with prescription lenses from your eye doctor/optician Accessories: Hard Carrying Case & Micro Dust Cleaning Cloth Provided with Each Purchase Color: Matte Brown