A kind of pants type of system of the present invention abandons formula urine pants,It is to have packaging material (11) except the absorbability ontology (10) containing absorbability core material (4) and engagement its non-skin contact layer side of what,Two side edge parts of outer packaging material (11) be engaged with each other and be formed with side seals,Waist opening portion and leg opening portion,Outer packaging material (11) has the outer layer sheet (12) comprising Stretchable sheet and the lamination structure comprising layer of sheet material (13) within non-telescoping property sheet material,Outer layer sheet (12) is not engaged with the peripheral part of removing of internal layer sheet material (13) what side seals and waist opening portion and leg opening portion respectively with the big part of outer portion,And absorbability ontology (10) is engaged with layer of sheet material (13) system within outer packaging material (11) by body engagement portion (15).本發明係一種褲型丟棄式尿褲，其係具備含有吸收性芯材(4)之吸收性本體(10)及接合於其非肌膚接觸面側之外包材(11)，外包材(11)之兩個側緣部彼此接合而形成有側密封部、腰開口部及腿開口部，外包材(11)具有包含伸縮性片材之外層片材(12)及包含非伸縮性片材之內層片材(13)的積層結構，外層片材(12)與內層片材(13)於側密封部及腰開口部以及腿開口部各自之除周緣部以外部分之大部分並未接合，且吸收性本體(10)與外包材(11)之內層片材(13)係藉由本體接合部(15)接合。
