The product is a KontrolFreek thumbstick grip/cap designed for the Microsoft Xbox One and Xbox Series X/S controllers. It is black in color and made of silicone, gel, or rubber material. The grip/cap clips onto the controller and is compatible with the Microsoft Xbox One. The product is branded as KontrolFreek and is specifically designed for Call of Duty Modern Warfare 3. It is a wireless controller accessory and can be used by a single player.