Aquila 57u BioNylon Soprano Ukulele Strings

AQUILA 57U SOPRANO UKE SET
BIONYLON - Regular tuning, key of C (GCEA, bass to treb).
Strings are all plain bionylon, a new polymer developed by Aquila,
sound is more warm and mellow than Nylgut, their other synthetic stringmaterial.
According to the maker, Bionylon allows for a 50% reduction ofcarbon dioxide emissions during manufacture