Converse Z001UF Lightweight & Comfortable Designer Reading Glasses plastic frame plastic lens non-polarized Lens width: 46 millimeters Bridge: 22 millimeters Arm: 140 millimeters 5.4" Frame Width 1.7" Lens Height Lightweight & Comfortable Frame Vintage Oval Design ; Handmade Zyl Case Included 18 different magnifying powers from 0.25 to 6.00 are available