The ornamental design for a closure, as shown and described.
FIG. 1 is a top, front, and right side isometric view of a closure showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a right side elevation view thereof, the left side elevation view thereof being a mirror image;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a rear elevation view thereof.
The undisclosed bottom view is unornamented, is not visible to the consumer when the closure is installed on a container (not shown), and forms no part of the claimed ornamental design.
In the drawings, the broken lines are shown for the purpose of illustrating parts of the closure that form no part of the claimed design.