Trinity College AP-2230 English-Style Concertina Laminated wooden endplates in a light brown, simulated walnut finish 30 buttons, 3 octave range, fully chromatic, air-release button to close instrument noiselessly Black fabric-covered bellows with 8 folds Padded, adjustable leather thumb strap plus metal hand stop on each side Plush-lined, zippered black nylon bag with fabric handle and one detachable, adjustable carrying strap