The ornamental design for a container, as shown and described.
FIG. 1 is a perspective view of a container showing our new design, broken lines showing some of the elements are for illustrative purposes only and form no part of the claimed design;
FIG. 2 is a front elevational thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view thereof shown in an open position showing a tray housed therein;
FIG. 9 is a perspective view thereof shown in an open position showing a pair of smaller containers positioned within the tray; and,
FIG. 10 is a perspective view thereof shown in an open position with the container shown empty.