Top: Acacia, Side/Back: Abs, F/b: Abs; Bag - Flight Travel Ukuleles have proven to be one of the best and most robust ukuleles that you can purchase, and Flight continues to expand the number of choices that are available in the series. The Flight TUS55 Acacia Soprano Ukulele features a laminate acacia top which will respond to any playing style and add a traditional "look" while doing so. Acacia is in the same family as koa, featuring bright tones, lots of punch, and plenty of sustain. The Acacia Soprano Travel Ukulele looks simple and clean, and you will love the sound it produces.