Stackable Storage Units

FIG. 1 is a front perspective view of a stackable storage units, 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 view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is its usage status diagram.

The broken es in the drawings illustrate the portions of the stackable storage units, which form no part of the claimed design.