Bumblebee Ukuleles BUC23 Concert Blue, Concert Ukulele, Top: Mahogany, Back and sides: Mahogany, Neck: Meranti, Fretboard and bridge: Kuku, Nut width: 38 mm, 18 Frets, Engraved soundhole design and headstock logo, Open chrome machine heads with black buttons, Finish: Open pore, Colour: Blue