A diaper for adults includes a front waist region [2], a rear waist region [3] and a crotch region [4] extending therebetween, wherein side edge portions of the front and rear waist regions [2 and 3] are detachably connected to each other so as to form a waist hole [7] and a pair of leg holes [8], the side edge portions [5 and 6] have a dimension of at least 150 mm as measured in a longitudinal direction [Y], and a position correcting system to correct relative position of first and second fastening components [9a, 9b and 9c] when the first and second waist regions are connected to each other is provided and comprises at least one spacing zone [14] defined between setting zones for two or more fastening components into which the first fastening component is divided in the longitudinal direction.
