Absorbent article

An absorbent article having a longitudinal direction, a width direction and a thickness direction, the absorbent article comprising:

• an absorbent body that includes an absorber;
• and
• a pair of side flaps that extends outward from both ends of the absorbent body in the width direction, wherein
• the absorbent article has a dorsal side and an abdominal side in the longitudinal direction,
• the pair of side flaps is disposed on the dorsal side of the absorbent body,
• each of the pair of side flaps comprises:
• a stretching member that is stretchable in the width direction;
• a first sheet member that is layered on a surface of a non-skin side of the stretching member;
• a second sheet member that is layered on a surface of a skin side of the stretching member;
• and
• an engaging member that is connected to an outer end of the stretching member in the width direction and that extends outward in the width direction,
• each of the pair of side flaps is joined to the absorbent article further toward a skin side in the thickness direction than the absorbent body,
• the engaging member comprises a first edge of the abdominal side and a second edge of the dorsal side,
• the first edge and the second edge extend in the width direction,
• in the longitudinal direction, a dorsal side end of the absorber is disposed further toward the dorsal side than a first imaginary line, and
• the first edges of the engaging members of the pair of side flaps are connected to each other in the width direction by the first imaginary line.