As a real fan, you wear Marco Wittmann on your wrist all day long. With the black wristband in racing look you are an absolute trendsetter. The cool accessory is made of SuperSoft silicone, which is incredibly soft and fits perfectly. The ingenious closure mechanism is hidden and invisible from the outside. The patented MagAttrac® closure is made of surgical steel and is nickel-free. The strong magnet allows you to open and close your bracelet securely.