(30, 40) having a longitudinal direction and a transverse direction orthogonal to each other and having a waistline portion (30, 40) along a lateral direction, the waistline portion (30, 40) comprises a nonwoven fabric and a plurality of elastic members (30, 40) in a state of being extended in a lateral direction, the absorbent article (1) having a waist portion (30, 40) in a longitudinal direction (35, 45) adjoining the opening in the longitudinal direction, and the elastic member (35, 45) adjacent to the opening in the longitudinal direction and the elastic member (H) between the high density region (H) and one of the elastic members (35, 45), and an outer region (E) between the high density region (H) and one of the elastic members H) has a predetermined length in the lateral direction, and the density of the fibers of the nonwoven fabric in the high density region (H) Higher than the density of the fibers of the nonwoven), at least part of the edge of the opening (50), and a non-fused portion which fibers are not fused.互いに直交する縦方向と横方向とを有し、横方向に沿った胴回り部(30、40)を備え、胴回り部(30、40)が、不織布及び前記横方向に伸縮する複数の伸縮部材(35、45)を有している吸収性物品(1)であって、胴回り部(30、40)を横方向に沿って伸長させた状態において、胴回り部(30、40)には、縦方向に隣接する伸縮部材(35、45)の間に開孔が設けられており、縦方向において、開孔と隣接する伸縮部材(35、45)のうちの一方の伸縮部材(35、45)との間に、高密度領域(H)を有し、高密度領域(H)と一方の伸縮部材(35、45)との間に、外側領域(E)を有しており、高密度領域(H)は横方向に所定の長さを有しており、高密度領域(H)の不織布の繊維の密度は、外側領域(E)の不織布の繊維の密度より高く、開孔(50)の縁の少なくとも一部に、繊維同士が融着されていない非融着部を備える。