Michael Kors Guilin MK4152D Eyeglasses combine a refined square silhouette with a pearlized tortoise acetate front and metal temple accents, designed for everyday prescription wear and polished looks. Key attributes: Brown Pearlized Tortoise | Acetate and metal | Full-rim construction | Compatible with prescription lenses | Includes demo lenses | Square shape | Pearlized tortoise pattern | Light gold temple detail | Dimensions & fit: Lens width: 54 mm | Bridge: 18 mm | Temple length: 145 mm | Lens height: 41 mm | Composition & care: Acetate | Metal | Clean lenses with a microfiber cloth and lens cleaner. Store in the provided case when not in use.