Harmonica model: SW24-12AProducts: harmonica 24 holes gambling double harmonica professionalTone: C and G keys between two sides, get this harmonica means you've two harmonicas: stainless-steel chrome-plating silver colorBlock board: superb copperReed: wonderful sound copper reedPacking field size: size 18cm × width 6cm × top 3cmPackaging: high-end plastic caseEatable grade frets make sure your health, so please don&;t worry