Stayz Sharper is a razor blade and cartridge sharpener that greatly prolongs the life of your razor blades or cartridges. It is very easy to use, and will save you a great deal of money by eliminating the need to having to constantly buy new blades. Works equally well for Men or Women razors. Additionally, Stayz Sharper is a product that is beneficial for the environment as it reduces unnecessary waste. It is made in the U.S.A.