A method for producing childproof, highly inert individual dose packagings for transdermal therapeutic systems or film-like forms of administration in the form of a sealing edge bag that can be peeled back with a complete surrounding and continuous sealing surface, comprising two packaging elements, that are arranged on top of each other and form the upper side and the bottom side of a bag containing the product, wherein at least one layer of the packaging material elements is a metal layer and at least one packaging material element a film laminate with at least three-layer design and the outer layer of the at least three-layer film laminate comprises at least one line-shaped weakening that is not touching the edge of the packaging on the upper and bottom side and the line-shaped weakening has a reduced resistance to tear for opening the packaging.