The two-sided 24-hole harmonica can be used for playing in leisure time, and can also be used in classroom music teaching to cultivate students' music cells. The origin of the two-sided 24-hole harmonica is Jiangsu, China. The market price is negotiable or telecommunication. The minimum order quantity can be according to the customer's demand. The two-sided 24-hole harmonica is made of silver and copper alloy sound spring, the case is made of food grade ABS resin, the international advanced intonator test, the shape is rectangular, using two-sided 24-hole double spring design. The two-sided 24-hole harmonica avoids any air leakage during playing, and the acoustic quality is very stable over a long period of time. It is packed in red wooden box, which will produce unique charm when using the embouched-playing technique.