Converse Luminosity Lightweight & Comfortable Designer Reading Glasses plastic frame plastic lens non-polarized Lens width: 51 millimeters Bridge: 16 millimeters Arm: 140 millimeters 5.25" Frame Width 1.5" Lens Height Lightweight & Comfortable Frame Vintage Cateye Design ; Two Toned Colorway Case Included 18 different magnifying powers from 0.25 to 6.00 are available