Thank you for viewing. This is a hit-air airbag jacket. [Set Contents] ・Jacket (Size L) ・50cc spare cylinders x2 ・Motorcycle connection connector x1 ・Silicone hose x1 ・Instruction manual ・Hex wrench for cylinder replacement x1 This was purchased used, and the hit-air airbag has been inspected at the time of purchase. There is no history of falls, and it was used for touring in the spring and autumn seasons. All pads are also attached. There is some peeling and a button missing (white frame in photo 7), but there is no problem with use. Please consider this item with the understanding that it is a used item.