Single acoustic guitar string constructed with 80/20 (80% copper, 20% zinc) bronze wrap wire Played for a bright tone with an expressive, vibrant presence NANOWEB Coating provides a smooth feel Our coating technology protects against common corrosion and debris buildup, extending tone life longer than any other brand's coated or uncoated strings (Elixir Strings player survey) America's #1 acoustic guitar string brand (MI SalesTrak® — US $ Vol) Details