Longchamp Round butterfly sunglasses combine a sculpted acetate frame with gradient lenses for everyday sun protection and a refined silhouette. Key attributes: Blue | Transparent gradient blue beige | Grey | Acetate | Round butterfly shape | Gradient lens finish | Dimensions & fit: Lens width 49 mm | Bridge 23 mm | Temple 140 mm | Medium fit | Composition & care: Acetate | Wipe lenses with a microfiber cloth; store in a protective case; avoid harsh chemicals and high heat.