The ornamental design for a packagingcontainer for bottles, as shown and described.
FIG. 1 is an interior perspective view in an open position of a packaging container for small liquid containing bottles and the like showing my new design;
FIG. 2 is an interior perspective view of the packaging container in a folded position;
FIG. 3 is an interior perspective view of the packaging container in a flat position.
FIG. 4 is a perspective view of the packaging container in a flat position where part of the packaging container is inserted in a covering box wherein the sleeve portion of the packaging container for bottles shown in broken lines is not part of the design; and,
FIG. 5 is an interior perspective view of the packaging container in a partially folded position.