High-quality material 17 key crystal kalimba is made of high-quality acrylic and ore steel bars to ensure perfect sound effects. When you touch the Kalimba key, you can feel a smooth and round surface and the key vibration resonates and makes wonderful music. Lanyard Design Kalimba can be easily placed in wallets, handbags, backpacks, etc. as an ornament. It comes with two kinds of lanyards, so you can carry it with you conveniently and practice anytime, anywhere. Perfect size the thumb piano is compact and palm-sized, making it easy for adults, beginners, and children to practice and play.