THE PRESENT INVENTION AIMS TO IMPROVE THE TAPE FASTENERS (10) PROVIDED ON THE DIAPER CHASSIS SO THAT THE UPPER OUTSIDE REGIONS OF THE WEARERS THIGHS SHOULD NOT BE IRRITATED BY THE EDGES OF THE TAPE FASTENERS. A LOWER EDGE (11A) OF A FIRST SECTION (11) IN EACH TAPE FASTENER EXTENDS SO THAT A SPACE (S) IS DEFINED BETWEEN THIS LOWER EDGE AND AN IMAGINARY EXTENSION OF A LOWER EDGE (12A) OF A SECOND SECTION (12) IN THE TAPE FASTENER.