The ornamental design for a container for cosmetics, as shown and described.
FIG. 1 is a front, right side, and top perspective view of a container for cosmetics according to the novel design.
FIG. 2 is a front view of a container for cosmetics according to the novel design; the rear view is a mirror image of the front view.
FIG. 3 is a right side of a container for cosmetics according to the novel design; the left side view is a mirror image of the right side view.
FIG. 4 is a top view of a container for cosmetics according to the novel design; and,
FIG. 5 is a bottom view of a container for cosmetics according to the novel design.
The broken lines immediately adjacent shaded surfaces represent boundaries of the claim; all other broken lines depict elements of the container lid for cosmetics that are not part of the claimed design.