The ornamental design for a cover for a can and bottle insulator, as shown and described.
FIG. 1 is a perspective view of a cover for a can and bottle insulator showing our new design;
FIG. 2 is a top view thereof;
FIG. 3 is a perspective view thereof;
FIG. 4 is another perspective view thereof;
FIG. 5 is another perspective view thereof;
FIG. 6 is another perspective view thereof;
FIG. 7 is another perspective view thereof; and,
FIG. 8 is another perspective view thereof.
The broken lines representing portions of the cover and insulator are not being claimed. The broken lines representing the can and bottle are for illustrative purposes only and form no part of the claimed design.