Features: Simple Solid Material: made of high quality natural sapele/maple wood(Optional) with unique wood texture, the solid wood body is heavier and more substantial, durable for long time using. Compact Size: the thumb piano is small and portable, with a storage bag, it is convenient and easy to carry. 17-Key, Easy to Learn: mineral metal keys can make gorgeous, full and crystal clear tone, each tine was etched with the corresponding note name on it, easy to get started. Full of Accessories: package comes with a , a tuning hammer, a cleaning cloth, song book, storage bag, and musical note sticker. Helpful to Cultivate Musical Talent: suitable for kids, adults, beginners, professionals, music lovers, etc. Specifications: Material: Sapele wood / Maple wood (Optional) Keys: 17-key Item Size: 180 * 140mm / 7.09 * 5.51in Package Weight: 620g / 21.87oz Package Size: 23 * 19 * 7.5cm / 9.06 * 7.48 * 2.95in Packing List: 1 * Thumb Piano 1 * Musical Note Sticker 1 * Tuning Hammer 1 * Wipe Cloth 1 * Song Book 1 * Storage Bag