Bvlgari BV40058I Tubogas Sunglasses offer a chic butterfly silhouette that blends acetate and metal for refined sun protection with a stylish edge. Key attributes: Black | Acetate | Metal | UVA/UVB protection | Gradient lens option | Supplied with original case and cleaning cloth | Butterfly frame | Tubogas detailing | Gradient lens option | Dimensions & fit: Lens width: 54 mm | Lens height: 53 mm | Bridge width: 17 mm | Arm length: 140 mm | Composition & care: Acetate | Metal | Wipe lenses with a microfiber cloth and store in the supplied case.