Material: ABS, solid wood, metal Product size: 29x31x17cm Product gross weight: 4.8kg Packing List: Accordion x1 Strap x2 Backpack x1 Features: 22-button 8-bass professional bayan, solid wood to build the body. The surface pattern piano paint is low-key and luxurious. Refined bellows, soft and tough, more effortless to play, with a hollowed-out box cover with gold and silver threads. Shell pattern key buttons, press accurately, not slippery, and have a texture. The sound range is wide, the sound is more metallic, the bass is strong, and the penetrating power is strong.