The product is authentic Ray-Ban replacement lenses in a gradient brown color, 53 mm eye size, specifically designed for the RB2210F model. These lenses are suitable for women and utilize gradient lens technology, providing a stylish and functional upgrade for Ray-Ban sunglasses. The high-quality lenses offer protection and clarity while maintaining the iconic Ray-Ban brand aesthetic. Perfect for those looking to replace or upgrade their existing lenses, these authentic Ray-Ban lenses are a fashionable and reliable choice for any sunglasses enthusiast.