Main Features: Material: Metal Shape: Round 4 color available: Black, Brown, Gold, Silver Gender: Unisex Style: unique square full frame Package Included: 1 x Glasses Specification: Lens width: 52 millimeters Lens height: 48 millimeters Bridge: 18 millimeters Arm: 140 millimeters Cleaning: 1. The glasses should be treated carefully to avoid damage and should be cleaned regularly 2. Clean the lens using soap water or neutral detergent, gently wipe dry with the soft glasses cloth