Uses a zipper, so you can remove the airbag and wash the cover. For back pain and back pain. The air bag inside can be removed so the cover can be washed and kept clean. Folding snap button set With the support belt, you can use it with genuine leather without Velcro tape or genuine seats made of backskins and other materials that do not attach, and you can adjust the top and bottom position to any desired location. In addition, it is recommended if you do not want to damage the sheet fabric even if you have Velcro tape. Neck pillow support belt can be used as a neck pillow.