SOPRANE UKULELS FROM THE TRAVEL SERIES Ukuleles from this series have a wider, arched ABS back, making them louder than regular soprano ukuleles, but also resonating better and sounding cleaner. They are also resistant to changes in humidity, which are the enemy of wooden instruments. SPECIFICATION Shape: Soprano (15 frets) Top: Linden laminate Back and sides: ABS Bridge: ABS Neck: ABS