Disposable nappy comprising a waistband (10) in two parts, one of which has a first fastener that can be releasably fixed to a second fastener (88) to form a waist opening, and a main part (4) that comprises a front and back separated by a crotch and includes an absorbent pad (6), includes a third fastener (34) that can be releasably fixed to a fourth fastener (99) on the outside of the waistband and also to the outside of the first fastener (261).