TOUS STOC80 C53 Sunglasses pair a glossy acetate butterfly frame with smoke gradient CR39 lenses for refined everyday sun protection and style. Key attributes: Black | Acetate | Smoke gradient lenses | CR39 lens material | Compatible with prescription lenses | Butterfly shape | Shiny finish | Smoke gradient lenses | Dimensions & fit: Lens: 53 mm | Bridge: 20 mm | Temple: 140 mm | Composition & care: Frame: Acetate | Lenses: CR39 | Wipe lenses with a microfiber cloth and lens cleaner; store in a protective case when not in use.