Calabria 31713 Designer Reading Glasses Plastic frame Composite lens non-polarized Lens width: 57 millimeters Lens height: 32 millimeters Bridge: 19 millimeters Arm: 146 millimeters Calabria Crystal Readers ; Transparent Frame w/ Color Unique Crystal Contours and Patterns Case Included 5.5" Frame Width ; 1.5" Height Lightweight & Durable