Patent ID: 7703802

Claim:
An air bag that has a gas-introducing hole and is folded and housed in a container, the air bag comprising: a pair of first zigzag folded portions, the first zigzag folded portions being formed by respectively folding each of right and left side portions in a lateral direction from a left and right side, respectively, toward a center of the airbag to form a strip elongated in a longitudinal direction; and a second zigzag folded portion that is formed by folding zigzag the pair of first zigzag folded portions in a direction that intersects with, and is substantially perpendicular to, a folding direction of the pair of first zigzag folded portions, so that the second zigzag folded portion consists of the entire pair of first zigzag folded portions, wherein a starting point of the second zigzag folded portion is located at the gas introducing hole and the gas introducing hole is located at one end of the first zigzag folded portions.