This diaper (1A) is provided with an absorber (4) which has an absorbent core (41) and a cover sheet (42) that enwraps the absorbent core (41) via an adhesive (5), and the diaper (1A) is divided into a front part (A), a rear part (B) and a crotch part (C). The absorbent core (41) forms an empty space part (41c) on both sides of the crotch part (C). The adhesive (5) is applied between the upper face of the absorbent core (41) and the cover sheet (42) and between the lower face of the absorbent core (41) and the cover sheet (42) and is not applied to the positions corresponding to the empty space parts (41c). In the absorber (4), the sections of the cover sheets (42) positioned at the upper face and the lower face of the empty space parts (41c) are not fixed to each other with the adhesive (5).本發明之尿布(1A)具備包含吸收性芯部(41)及經由接著劑(5)包裹吸收性芯部(41)之被覆片材(42)的吸收體(4),且劃分為腹側部(A)、背側部(B)及下襠部(C)。吸收性芯部(41)係於下襠部(C)之兩側部形成有空間部(41c)。接著劑(5)係塗佈於吸收性芯部(41)之上表面與被覆片材(42)之間及該吸收性芯部(41)之下表面與被覆片材(42)之間,且未塗佈於與空間部(41c)對應之位置。於吸收體(4)中,位於空間部(41c)之上表面及下表面之被覆片材(42)彼此未由接著劑(5)固定。3‧‧‧背面片材4‧‧‧吸收體5‧‧‧接著劑5D‧‧‧下表面接著劑5U‧‧‧上表面接著劑6‧‧‧吸收體固定用接著劑41‧‧‧吸收性芯部41c1‧‧‧頂點42‧‧‧被覆片材42D‧‧‧下表面之被覆片材42U‧‧‧上表面之被覆片材CL‧‧‧中心線
