Kala Bamboo Fretted U-BASSBamboo is the most sustainable choice for musical instruments. Highly renewable, Bamboo regenerates quickly without being replanted sometimes growing up to three feet per day! The straight grain of this grass is actually stronger than most hardwoods. Our Bamboo U bass is beautifully natural looking with clean lines and bamboo from top to bottom from the headstock to the fretboard to the saddle. Bamboo provides a bright tone with great volume,