Aquila Red Series AQ-89 Baritone Ukulele Strings - Low D - 1 Set of 4 Aquila Red Series strings have an extremely comfortable player feel and a greater volume than standard strings Improved composite material and proprietary design makes the tone brighter and more responsive across the fretboard Proprietary composite material also absorbs less moisture than other synthetic strings to assure tuning stability Each string shares a similar diameter, yet differs in material density providing a uniform feel and enhances intonation To learn more, please see our Product Description below