If you are looking for quality and professional harmonica instruments, this diatonic blues harmonica is the right choice for you.Wear-resistant and strong.The sound hole is made of environmentally friendly resin material, which is safe to use.Magnesium aluminum alloy, corrosion resistance, aging resistance, not easy to fall off, to ensure the harmonica sound more beautiful and round. Features -Material:Magnesium and aluminum alloy,ABS -Size:7.60X3.00X1.80cm/2.99X1.18X0.71in - 7-hole blues harmonica in C major for blues, folk, classical, jazz, country, rock, etc. - Magnesium aluminum alloy, more , corrosion resistance, aging resistance, not easy to fall off, harmonica sound more beautiful and mellow, perfect choice for professional players. - Anti-rust, , strong waterproof, elegant and delicate appearance. -Pop, folk, blues, and roll are all up to it. -High endurance phosphor bronze sound spring, accurate tone, six colors, different tones, better differentiation. Package list: 2 x harmonica 2 x OPP bubble bag