Our Audemars Piguet replacement straps mainly fit Royal Oak Offshore and Royal Oak Collection. The straps are made of high-quality crocodile leather or ostrich leather. The head of the strap contains metal attachments to enhance the safety between the case and the strap. The leather strap can also be customized to suit the wrist size of different users. The rubber strap is made by FKM rubber to make it more durable and comfortable to wear, suitable for outdoor use or hot weather.