Abstract: A disposable handkerchief-bag device (10), of those acquiring a regular shaped surface (13) by means of an unfolding motion, made of a flexible and absorbent material allowing its use for blowing one's nose, collecting or storing materials of a different nature, for protecting the respiratory tract and for temporarily reducing the amount of oxygen inhalation, characterized in that it comprises a folding system, the opening (11) of which allows access to the inside and the possibility of subsequent closing (12), which is configured with means (9) for facilitating the gripping of the bag with the fingers, said handkerchief-bag (10) being folded when it is not in use.