Closure device for releasably connecting two parts to one another, having - a first closure part which has a first main body, at least two first engagement portions which are formed on the first main body and are spaced apart from one another along a loading direction and form between them an intermediate space, and at least one first magnetic portion which is arranged on the first main body, and - a second closure part which has a second main body, at least one second engagement portion which is formed on the second main body, and at least one second magnetic portion which is arranged on the second main body, wherein the first closure part and the second closure part are able to be mounted one on the other in such a way that, in a closed position, the at least one second engagement portion is received at least partially by the intermediate space for supporting a load acting between the first closure part and the second closure part along the loading direction, wherein, in the closed position, the at least one first magnetic portion and the at least one second magnetic portion interact in a magnetically attracting manner, wherein the first main body and/or the second main body are/is manufactured at least sectionally from a flexible material, characterized in that the at least one first magnetic portion is formed by a magnetic element which is received in a receiving opening of the first main body, and/or in that the at least one second magnetic portion is formed by a magnetic element which is received in a receiving opening of the second main body, wherein, within the at least two first engagement portions, there is arranged in each case one first magnetic portion and/or, within the at least one second engagement portion, there is arranged a second magnetic portion. - a first closure part which has a first main body, at least two first engagement portions which are formed on the first main body and are spaced apart from one another along a loading direction and form between them an intermediate space, and at least one first magnetic portion which is arranged on the first main body, and - a second closure part which has a second main body, at least one second engagement portion which is formed on the second main body, and at least one second magnetic portion which is arranged on the second main body, wherein the first closure part and the second closure part are able to be mounted one on the other in such a way that, in a closed position, the at least one second engagement portion is received at least partially by the intermediate space for supporting a load acting between the first closure part and the second closure part along the loading direction, wherein, in the closed position, the at least one first magnetic portion and the at least one second magnetic portion interact in a magnetically attracting manner, wherein the first main body and/or the second main body are/is manufactured at least sectionally from a flexible material, characterized in that the at least one first magnetic portion is formed by a magnetic element which is received in a receiving opening of the first main body, and/or in that the at least one second magnetic portion is formed by a magnetic element which is received in a receiving opening of the second main body, wherein, within the at least two first engagement portions, there is arranged in each case one first magnetic portion and/or, within the at least one second engagement portion, there is arranged a second magnetic portion.