Specification: Product Name:24-hole polyphonic harmonica;  Tonality:C tone;  Reed material:brass;  Seat material:1.0mm brass;  Cover material:color stainless steel plate;  Qiner Material:Resin;  Color:Titanium Black/Blue;  Net weight:120g;  Size:180*30*20mm;    Features: 1.beautiful tone reputation world.  TREMOLOMASTER MH-24 is a polyphonic harmonica designed for beginners. The reed is made of brass that is easier to pronounce, the note mark on the front cover, the atmospheric laser engraving LOGO, moderate price, and a harmonica with a very high cost performance.    2.stable structure, good air tightness.  In this harmonica, several screws and four screws fixing the cover plate are used to fix the overall structure to ensure the airtightness of the harmonica.    3.environmental protection resin material.  This harmonica cell is made of environmentally-friendly resin material, with bright and transparent color and good water resistance.    4.Musical note design.  The note mark on the front of the cover makes it easy for beginners to identify the position of the sound hole. Everywhere you think about it, you can start learning more easily.    5.Phosphor bronze gong.  Phosphor bronze material, anti-corrosion, not easy to fall off, making the playing more stable. The fast reed response, excellent performance and charming sound make this model a beginner's choice for learners.    Packing included: 1X Box;  1X Cloth;  1X Instructions