Elixir Strings Acoustic Guitar Strings 6 String Extra Light POLYWEB Coating : Elixir Strings revolutionized guitar strings by finding a way to extend the life of wound strings without compromising the tone. Polyweb coated strings have a balanced tone and smooth response - they sound like strings that have been "played in". In addition, Polyweb coated strings feel comfortably smooth and help reduce finger squeaks.