The product is a pair of authentic Ray-Ban replacement lenses for model 4378F, featuring a gray tint and a size of 54mm. These lenses are designed with tinted lens technology, providing a stylish and functional option for those looking to replace their existing lenses. With the iconic Ray-Ban brand name and specific compatibility with model 4378F, these lenses offer a high-quality and fashionable choice for enhancing vision and protecting eyes from harmful UV rays.
