Chanel Butterfly Optical Frame combines an elegant butterfly silhouette with durable acetate construction. Designed for everyday prescription use, it refines any look while offering reliable wearability. Key attributes: Black | Acetate | Prescription friendly | Includes original case and cleaning cloth | Certificate of authenticity and guarantee | Sample lenses included | Butterfly frame shape | Acetate construction | Dimensions & fit: Lens width: 52 mm | Lens height: 36 mm | Frame width: 121 mm | Temple length: 140 mm | Standard fit | Composition & care: Acetate | Wipe lenses with the included cleaning cloth and store in the supplied case; consult an authorised optician for prescription lens fitting.