Our kalimba thumb pianos feature exquisite craftsmanship and high-quality, non-destructive sound. They make perfect gifts for friends and are suitable for beginners, children, adults, and all music lovers. The package includes a rich set of content to support learning and enjoyment. Specifications: Material: Mahogany + metal keys Range: 17 notes Size: Approximately 13.5 x 3.5 x 18.5 cm (5.31 x 1.38 x 7.28 in) Package List: - 17-Key Kalimba Thumb Piano - Thick flannel bag - Kalimba learning material - Tuning hammer - Piano cloth - Voice labeling sheet - Colored scale sticker Note: Due to lighting effects and shooting angles, slight color differences may occur. Please understand. Due to manual measurement, there may be a small tolerance in product dimensions.