1、The harmonica is made of environmentally friendly non-toxic ABS resin. It is safe, reliable and ensures the safety of the user. The panel of harmonica adopt titanium as main material, high hardness is not easy to deformation, smooth surface feel good. 2、Our harmonic with phosphor bronze sound spring has beautiful tone and is crisp and loud, its resonance effect is better than other gongs, Professionally imported screw nut tight it firmly and not easy to loose. 3、Our professional harmonica is key of C 24 hole polyphony diatonic mouth organ, many holes rich tune make it fitable for blues, folk, jazz and pop for boys girls gentlemen beginners and harp trainer. 4、The note identification helps to quickly memorize the scales of the harmonica, making harmonica learning easier and more efficient. 5、Mini size make it can be taked to the pocket, you can take it to everywhere you want, also can be great decoration to your living room and office. Specifications: Material: Metal, ABS Number of Holes: 24 holes Item Size: 175 * 29 * 21mm / 6.89 * 1.14 * 0.83in Item Weight: 67g / 2.36oz Package Weight: 136g / 4.79oz Package Size: 18.8 * 4.5 * 3cm / 7.40 * 1.77 * 1.18in 1 * Harmonica 1 * Box 1 * User Manual (English)