The ornamental design for a case for opticaldisk and memory cards, as shown and described.
FIG. 1 is a perspective view from front, top and right side of a case for optical disk and memory cards showing my new design;
FIG. 2 is a perspective view in alternative position thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines showing the remainder of the case for optical disk and memory cards are for illustrative purposes only and form no part of the claimed design.