These stylish gradient oversized sunglasses are perfect for both men and women. To use them, simply put them on your face like you would with any regular pair of sunglasses. They offer great UV400 protection, so you can wear them outdoors without worry. When it comes to maintenance, use a soft, clean cloth to gently wipe the lenses and frame. Avoid using abrasive materials as they can scratch the lenses. Also, store them in a protective case when not in use to prevent any damage. These sunglasses have a pilot style and an acetate frame, which makes them not only fashionable but also durable. With a lens height of 67 mm and width of 55 mm, they provide good coverage. Enjoy the free shipping and step out in style with these amazing sunglasses!