Elixir is the #1 acoustic guitar string manufacturers, the only coated string brand to protect the entire string with an ultra-thin coating, keeping gunk out of the gaps between the windings. Extended Tone Life – players report their tone lasts longer than any other string, uncoated or coated. Consistent performance and tone – ready to play whenever you are. Smooth feel that is easy on your fingers and enhances playability. Reduces finger squeak – good for both performance and recording. Anti-Rust Plated Plain Steel Strings resist tone-deadening corrosion, ensuring a longer life for entire set. With less hassle and expense of frequent string changes, spend more time making music