Features:- The phosphor bronze alloy sound spring, anti-corrosion, not easy to age and fall off- Stainless steel green material seat plate- Metal body and metal reeds- There are phonetic markers on the board for easy exercise- 24 holes with key of C- Colored sound holes make people feel bright- Perfect for any beginner or harmonica loverType: Diatonic bluesPronunciation Method: DiatonicNumber of Bores: 24Key: CCover Material: Gold PlatingSound Hole Material: ABSColor: BlueProduct Size: 17.5 x 3 x 2.2cmPackage Weight : 150 G / 5.29 OuncesPackage Dimensions (L*W*H) : 185*40*35 MM / 7.28*1.57*1.38 InchesRetail Packaging: No, No PackingPackage Include:1 x 24 Holes Harmonica1 x Clean Cloth1 x Instruction1 x Blue Case