Costume backpack

Description

FIG. 1 is a front, perspective view of a costume backpack showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view therof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings illustrate environmental material that forms no part of the claimed design.

Claims

The ornamental design for costume backpack, as shown and described.