What is metallic photo paper and how does it differ from traditional photo paper?

Metallic photo paper is a type of paper that has a metallic sheen or shimmer to it, giving photos a unique and vibrant look. It differs from traditional photo paper in that it has a reflective surface that enhances colors and adds a metallic effect to the image. Traditional photo paper has a matte or glossy finish, while metallic photo paper has a more metallic and shiny appearance.