Features: This concertina is made of ABS wiht celluloid decor, lightweight and tough, durable for long time use. 17 keys with 8 bass buttons design, can make nice mellow sound. Easy to learn to play, comes with a manual, good for beginners. With an adjustable stra on the side, convenient to carry. Help to develop children's musical talent, improving their sense of rhythm, good for beginners. Specification: Material: ABS + Celluloid Color Options: Red; Blue; Green; Navy Blue Key: 17 Size: Approx. 23 x 24 x 12cm / 9 x 9.45 x 4.72in Weight: Approx. 1577g Package List: 1 x Accordian (Rope Color Random) 1 x Manual Package List 1This concertina is made of ABS wiht celluloid decor, lightweight and tough, durable for long time use 217 keys with 8 bass buttons design, can make nice mellow sound 3Easy to learn to play, comes with a manual, good for beginners 4With an adjustable stra on the side, convenient to carry 5Help to develop children's musical talent, improving their sense of rhythm, good for beginners