The ornamental design for a packagingcontainer for bottles, as shown and described.
FIG. 1 is a perspective view of the new design for a packaging container for bottles;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is an unfolded interior view of thereof.
The broken lines illustrate portions of the packaging container for bottles that form no part of the claimed design. The dot-dash-dot broken lines illustrate boundaries in the packaging container for bottles that form no part of the claimed design.