The ornamental design for a toothbrushpackage, as shown and described.
FIG. 1 is a perspective view as seen from the front and left side of a toothbrush package showing our new design, it being understood that the differently hatched surfaces of the toothbrush package represent contrasting colors and that similarly hatched surfaces represent similar colors;
FIG. 2 is a front view of the toothbrush package of FIG. 1;
FIG. 3 is a back view of the toothbrush package of FIG. 1;
FIG. 4 is a right side view of the toothbrush package of FIG. 1;
FIG. 5 is left side view of the toothbrush package of FIG. 1;
FIG. 6 is a top view of the toothbrush package of FIG. 1; and,
FIG. 7 is a bottom view of the toothbrush package of FIG. 1.
The broken lines are included for the purpose of illustrating portions of the toothbrush package that form no part of the claimed design.