The ornamental design for a lid for container, as shown and described.
FIG. 1 is a top perspective view of a lid in an exemplary use;
FIG. 2 is a bottom perspective view of the lid of FIG. 1;
FIG. 3 is a left side elevation view of the lid of FIG. 1;
FIG. 4 is a front side elevation view of the lid of FIG. 1;
FIG. 5 is right side elevation view of the lid of FIG. 1;
FIG. 6 is a back side elevation view the lid of FIG. 1;
FIG. 7 is a top plan view of the lid of FIG. 1; and,
FIG. 8 is a bottom plan view of the lid of FIG. 1.
The broken lines shown in FIG. 1 represent environmental subject matter that forms no part of the claimed design. The broken lines shown in FIGS. 2, 3, 5, and 6 represent portions of the article that forms no part of the claimed design.