A diaper (1A) of the invention includes a vertically-oblong absorbent assembly (2) and fastening tapes (4) that are provided at both side portions (2S) of the absorbent assembly (2) extending in a Y direction so as to extend outward. The absorbent assembly (2) includes a topsheet layer (21, 24) disposed on a skin-facing side, a leakage preventing layer (22) disposed on a non-skin-facing side, and an absorbent member (23) disposed between the topsheet layer (21) and the leakage preventing layer (22). Before the diaper (1A) is used, the fastening tapes (4) are folded toward the skin-facing side of the absorbent assembly (2) and tip portions (4a) of the fastening tapes (4) are covered with side portions (2S) of the absorbent assembly (2) extending in the Y direction.本創作之尿布(1A)包括縱長之吸收性本體(2)及黏扣帶(4),該縱長之吸收性本體(2)包含配置於肌膚對向面側之正面層(21、24)、配置於非肌膚對向面側之防漏層(22)、及配置於正面層(21)與防漏層(22)之間之吸收體(23),該黏扣帶(4)係於吸收性本體(2)之沿著Y方向之兩側部(2S)向外側伸出而設置。黏扣帶(4)係於尿布(1A)之使用前被返折至吸收性本體(2)之肌膚對向面側,於俯視時黏扣帶(4)之前端部(4a)由吸收性本體(2)之沿著Y方向之側部(2S)覆蓋。1A‧‧‧拋棄式尿布2S‧‧‧側部3a‧‧‧側片3之前端部4‧‧‧黏扣帶4a‧‧‧黏扣帶4之前端部6‧‧‧密封部21‧‧‧正面片材22‧‧‧背面片材22a‧‧‧防漏片材22b‧‧‧外層不織布23‧‧‧吸收體24‧‧‧側部片材24I‧‧‧側部24O‧‧‧側部24S‧‧‧外側部27‧‧‧固定部31‧‧‧片材32‧‧‧片材33‧‧‧彈性構件41‧‧‧固著部42‧‧‧帶基材片材60‧‧‧密封區域61‧‧‧外層接著劑層62‧‧‧連接用接著劑層63‧‧‧帶連接用接著劑層64‧‧‧正面側接著劑層65‧‧‧接著劑層FL‧‧‧摺線GT‧‧‧褶皺區域P‧‧‧位置Q‧‧‧位置T‧‧‧重疊區域X‧‧‧方向(本體寬度方向)
