Michael Kors Avila Eyeglasses feature a clear transparent acetate frame and a square silhouette, designed for everyday wear and easy prescription conversion. Key attributes: Clear transparent | Acetate | Durable acetate construction | Scratch- and smudge-resistant lens coating | Helps reduce blue-violet light | Compatible with prescription lenses | Includes demo lenses | Square frame | Polished finish | Clear transparent finish | Dimensions & fit: Lens width: 55 mm | Bridge: 17 mm | Temple length: 140 mm | Lens height: 46.2 mm | Standard fit | Suitable for oval, heart and round face shapes | Composition & care: Acetate