FIG. 1 is a perspective view of the claimed design;
FIG. 2 is a perspective view of the claimed design with the pull strip removed;
FIG. 3 is a perspective view of the claimed design illustrating the flap in a open position with the pull strip removed;
FIG. 4 is a top view of the claimed design drawn at a reduced scale;
FIG. 5 is a side elevational view of the claimed design drawn at a reduced scale; and,
FIG. 6 is a bottom view of the claimed design.
The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.