Luxilon manufactures unique monofilament polyester strings that are unmatched in playability and durability. In less than a decade, Luxilon has evolutionized the string industry and has become the most in-demand string on the professional tours! Luxilon strings are the official string of both the ATP and WTA tours and are used by over 60% of the top 100 men's players and 45% of the top 100 women's players. Luxilon strings are also the choice of world #1 Roger Federer! No other string compares!