The Wooden 12 hole Sweet Potato Ocarina, key of A4-F6, is tuned in the key of C, and can go below C down to the A. This ocarina has exquisite breath response and crystal clear tone.The ocarina is made of Sandalwood.Every ocarina we provide a tested before it sell out.So don't worry and quality and it is free to return for refund any time you like. It comes with an instructional booklet,finger chart,a songbook and a protective bag. Pitch: A4-F6 including sharps and flats Length: 7 inches or 18 cm Width: 4.3 inches or 11 cm Material: Sandalwood Color:Natural Wood May Different from Each One