FIG. 1 is a perspective view of the box sleeve of my new design from the front top left;
FIG. 2 is an elevational view thereof from the front;
FIG. 3 is an elevational view thereof from the rear;
FIG. 4 is an elevational view thereof from the right;
FIG. 5 is an elevational view thereof from the left;
FIG. 6 is bottom plan view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a perspective view thereof from the front top right;
FIG. 9 is a perspective view thereof from the front top left;
FIG. 10 is a perspective view thereof in an unfolded and flattened configuration from above;
FIG. 11 is a plan view thereof in an unfolded and flattened configuration from above; and,
FIG. 12 is a plan view thereof in an unfolded and flattened configuration from below.
The broken lines in FIGS. 1-6 and 8-12 show unclaimed subject matter, and form no part of the claimed design.