Manufactured by W.L Gore and associates, Elixir Strings are a brand of long life strings for acoustic and electric guitar and bass as well as banjo and mandolin. Their strings use their patented fluoropolymer coating that extends the life and tone of the strings by reducing finger oils, debris and corrosion. As well as being some of the biggest selling strings worldwide they are also used by many guitar manufacturers including Taylor and Maton as their factory shipped guitar string.