Item Type: Accordian Material: Engineering ABS + stainless steel + solid wood + reed + celluloid Size: Approx. 26.5 x 29.5cm / 10.4 x 11.6in Package List 1 x Accordian 2 x Strap 1 x Accordion Bag 1The black and white nonslip round button feels comfortable and sensitive, and multiple sets of voice changers are available for adjustment. 222 key 8 bass professional accordion, very suitable for professionals to play and test grades, can also be used for beginners to practice. 3Made of highquality ABS, wood, metal and other materials, handpolished, more stable intonation. 4Comes with an accordion backpack for storing accordion and easy to carry, and two straps make easier to hold while playing. 5This accordion is simple and easy to play, which helps cultivate musical talent and improve sense of rhythm.