Nillkin Samsung Galaxy S25 Ultra CarboProp Magnetic MagSafe Aramid fiber Armor Case About this product: CarboProp case is made of aramid fiber, commonly known as “black gold” in the material industry. By overmolding injection with aramid fiber and TPU, provides your phone comprehensive protection. The creative metal frame design not only protects the camera, but also serves as a phone holder. Independent metal buttons, precision cut for a tight fit. With built-in strong magnet, you could enjoy MagSafe at will