Polaroid D578 KB7 Optical Frame pairs a clean square silhouette with rubberized temples for comfortable everyday wear. The model is prescription-ready and comes with a branded case for secure storage. Key attributes: Gray | Lightweight | Prescription-ready | Includes case | Square frame | Full-rim | Rubber temples | Dimensions & fit: Lens width: 51 mm | Bridge: 21 mm | Temple length: 145 mm | Size L (51) | Composition & care: Eco polyamide | Rubber | Gently clean the lenses using the supplied microfiber cloth.