Swarovski SK2018 Optical Frame blends a squared silhouette with a polished acetate-and-metal construction, designed for everyday prescription wear and refined styling. Key attributes: Dark havana | Acetate and metal | Compatible with prescription lenses | Full-rim construction | Demo lenses fitted | Squared frame shape | Full-rim silhouette | Acetate front with metal temples | Dimensions & fit: Lens width: 52 mm | Bridge: 20 mm | Temple length: 140 mm | Lens height: 39 mm | One size (52/20/140) | Composition & care: Acetate | Metal | Wipe lenses and frame with a soft, lint-free cloth. Store in protective case when not in use. Have prescription lenses fitted by an optician.