Backpack

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear, left and bottom perspective view thereof.

The [shukiku] forming part of the claimed design is a registered trademark of [Shenzhen Elephant Splash Technology Co., Ltd.].