The Flight Ultra Soprano Ukuleles are made of polycarbonate reinforced plastic welded together with an ultrasonic process.  The ukulele has an ultra-thin lattice-braced soundboard, creating one of the loudest plastic-based ukuleles on the market. With a zero fret and precision engineering, the instrument features ideal action and excellent intonation for an enjoyable playing experience, and the slotted bridge makes string changes easy to accomplish.