Harmonica model: SW24-12AProducts: harmonica 24 holes playing double harmonica professionalTone: C and G keys between two sides, get this harmonica means you have two harmonicas: stainless steel chrome-plating silver colorBlock board: superb copperReed: nice sound copper reedPacking field size: size 18cm × width 6cm × height 3cmPackaging: high-end plastic caseEatable grade frets ensure your health, so please don&;t fear