FIG. 1 is a perspective view of a container sleeve showing an exemplary embodiment of my/our new design;

FIG. 2 is a front view of the container sleeve of FIG. 1;

FIG. 3 is a rear view of the container sleeve of FIG. 1;

FIG. 4 is a first side view of the container sleeve of FIG. 1;

FIG. 5 is a second side view of the container sleeve of FIG. 1;

FIG. 6 is a top view of the container sleeve of FIG. 1;

FIG. 7 is a bottom view the container sleeve of FIG. 1; and,

FIG. 8 is an unassembled view of the container sleeve of FIG. 1.

The broken lines in FIG. 1-7 are for illustrative purposes only and form no part of the claimed design. The dashed lines in FIG. 8 represent fold lines.