Premium MaterialOur harmonica is made of high-quality aluminum shell with stainless steel cover plate with an ABS black coms and specially tuned brass reeds. Easy to CarryThe harmonica is 4.05 inches x 1.02 inches x 0.35 inches, mini size make it can be taken to the pocket, you can take it to everywhere you want. Suitable for use on stage, class, travel, family life, party games. Safe to UseThis musical instrument is non-toxic and has no small choking hazard parts or accessories, smooth to touch, pretty and durable. We guarantee your child's safety and protection upon use of our harmonica for kids. Vivid SoundThe stainless iron cover with closed side is extremely airtight. Its voice is sweet and rich in tone surprisingly. Each harmonica is carefully tuned and tested during manufacturing to ensure best sound and quality. Wide ApplicationOur harmonica features key of C major with 10 holes and 20 tunes, this C diatonic harmonica is specially designed to play various music to meet your diverse needs including Blues, Folk, Pop, Country jazz, etc.