These Voskhod Teflon Coated DE blades are covered by layers of chromium and teflon to carry out the process of shaving effectively and gently. These blades are sharp, durable, long-lasting and an excellent value. Pack contains 5 blades, and each blade is individually wrapped to assure safety, sterility, and long shelf life. Blades fit all traditional double edge razors. To avoid rapidly dulling the blade's sharp edge, remember to always rinse it after use, never wipe it.