Face Mask with Stretchy Back Strap

FIG. 1 is a perspective view of a face mask with stretchy back strap shown in a used condition with a human figure in broken lines.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a left side view thereof. The right side view is substantially identical to the left side view.

FIG. 5 is a front view thereof, without the features of the human figure shown in the front.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof.

FIG. 8 is a left side view of the face mask with stretchy back strap, shown in an unused condition. The right side view is substantially identical to the left side view.

FIG. 9 is a front view thereof.

FIG. 10 is a back view thereof.

FIG. 11 is a front perspective view of a second embodiment of a face mask with stretchy back strap shown in a used condition with a human figure in broken lines.

FIG. 12 is a front view thereof.

FIG. 13 is a back view thereof.

FIG. 14 is a left side view thereof. The right side view is substantially identical to the left side view.

FIG. 15 is a front view thereof, without the features of the human figure shown in the front.

FIG. 16 is a top view thereof.

FIG. 17 is a bottom view thereof.

FIG. 18 is a left side view of the face mask with stretchy back strap, shown in an unused condition. The right side view is substantially identical to the left side view.

FIG. 19 is a front view thereof; and,

FIG. 20 is a back view thereof.

The dash-dash broken lines shown in the human figure form environmental structure that form no part of the claimed design.

The dot-dot broken lines shown within the face mask depict stitching and form no part of the claimed design.