Made from superior Swedish Steel, the new premium Double-Edge Safety Razor Blades by Derby is sure to give a smooth and comfortable shave. All Derby razor blades are manufactured from stainless steel imported from Sweden and hardened by utilizing the most advanced equipment and deposited with chromium, ceramic, tungsten, and platinum by advanced spluttering equipment for optimum edge strength and to achieve a longer shaving life. All Derby razor blades are also coated with a polymer for optimum shaving comfort from beginning to end.