Disposable pull-on diaper

A disposable pull-on diaper comprising:

• a diaper structure comprising front and rear waist regions opposed to each other and a crotch region positioned between said waist regions, said front and rear waist regions being permanently connected together in a vicinity of respective transversely opposite side edge portions thereof to define a waist-opening and a pair of leg-openings;
• a pair of tape fasteners, adapted to fasten said diaper after use in a rolled up state, being attached to an outer surface of said diaper structure;
• and
• means for anchoring said diaper in the rolled up state formed on inner surfaces of said tape fasteners facing the outer surface of said diaper structure;
• wherein:
• said tape fasteners are provided in the vicinity of said transversely opposite side edge portions, respectively, in one of said front and rear waist regions so as to extend in a longitudinal direction thereof;
• said tape fasteners respectively have releasable upper end portions lying adjacent said waist-opening and lower end portions lying adjacent respective said leg-openings, said upper end portions including said anchoring means, said lower end portions being permanently bonded to said diaper structure by bonding zones extending in a circumferential direction of the waist-opening in a vicinity of respective peripheral edges of said leg-openings;
• and
• said bonding zones extending obliquely inward in said circumferential direction from said transversely opposite side edge portions in a vicinity of respective said leg openings toward said upper end portions.