High quality. 17 keys with metal shakers, maple nut and saddles. Not only is it beautiful, but it is also light weight and easy to clean. It also transmits vibrations faster and more thoroughly, resulting in better resonance and a pleasing sound. This is a professional seventeen-key instrument. Standard C tuning: Each string has an engraved symbol. 17 metal teeth are designed in the international standard C tuning, corresponding to D6-B5-G5-E5-C5-A4-D4-C4 (center)-E4- G4-B4-D5-F5-A5-C6-E6 (from left to right). You can play the songs easily by flicking the metal teeth. You can easily learn in less than a minute. Entry-level instrument: If you have no musical foundation or operating experience but want to try an instrument, the kalimba will be ideal for you. Hold it in your hand and pull the teeth with your thumb to produce a clear and pleasing sound. This fingerstyle instrument has engraved symbols on each string, making it more intuitive and easier to learn for students and novices. You can also learn easily from the music book we provide. EVA Carrying Case: Equipped with a dustproof, waterproof, shockproof, compact and portable zippered case, you can protect your kalimba from scratches, moisture and oxidation. This kalimba set is suitable for travel and entertainment, family and friends gathering, and also as a gift for children and parents during holidays.