Features: 1.This concertina is made of ABS wiht celluloid decor, lightweight and tough, durable for long time use 2.17 keys with 8 bass buttons design, ?can make nice mellow sound 3.Easy to learn to play, comes with a manual, good for beginners? 4.With an adjustable stra on the side, convenient to carry 5.Help to develop children's musical talent, improving their sense of rhythm, good for beginners specification: 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. : 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