Peter And May Marguerite Optical Frame features a 6 mm Mazzucchelli acetate construction and refined hardware details, designed for everyday prescription wear. Key attributes: Multicolor | Havana | Acetate | 2-base lenses | Anti-reflective coating | Custom temple tips with signature logo | Includes semi-rigid case and microfiber cloth | Half cross front rivet | Inner 3D printed metal logo | Havana finish | Composition & care: Mazzucchelli acetate | Use the included microfiber cloth to clean lenses. Store in the provided semi-rigid case. Avoid prolonged exposure to heat and do not wear on the head.