Backpack

Description

FIG. 1 is a front view of backpack;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The color forms no part of the claimed design.

Claims

The ornamental design for backpack as shown and described.