Calabria 4371 Bi-Color Reading Glasses w/Case plastic frame plastic lens non-polarized Lens width: 50 millimeters Frame dimensions: 5.3 wide by 1.15 high Calabria Eyewears Model 4371 is a stylish ladies reading glass featuring a striking translucent 2-Tone front and matching temples. Expertly crafted lightweight polycarbonate frame with spring loaded temple hinges for the ultimate in comfort and durability The optically correct, distortion free aspheric lenses provide outstanding clarity. These wonderful reading glasses features a matching protective case, that doubles as a cleaning cloth.