For decades La Bella has been supplying the worlds top ukulele players and luthiers with high-quality strings. From Soprano Tenor Baritone to Banjo Ukulele La Bella Strings covers all your ukulele needs. Made with high quality nylon to ensure perfect intonation. String Gauges: .022 .032 .036 .025. Packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness.