Derby is the brand of shaving essentials that is widely trusted. Derby Premium double edge razor blades are made of Swedish Steel. The edge of these blades has an Chromium-Ceramic-Platinum-Tungsten and Polymer coating providing a smooth and close shave. No shaving kit will ever be complete without these high-quality blades made to fit different double edge safety razors. With five blades per box, these blades are great value.