Patent ID: 7210482

Claim:
A face mask structure, comprising: an upper mask portion having beveled angles on opposing outer sides thereof to form a trapezoidal upper portion of the face mask structure and has a metal stripe disposed at an upper position thereof; a middle mask portion that is located below the upper mask portion to form a middle portion of the face mask structure, the middle portion having a plurality of folding portions; and a lower mask portion having beveled angles on opposing outer sides thereof to form a trapezoidal lower portion of the face mask structure and is located below the middle mask portion; wherein the upper mask portion, the middle mask portion, and the lower mask portion are formed integrally in single piece formation, the upper mask portion and the lower mask portion being wider than a half of the width of the middle mask portion, the upper mask portion and the lower mask portion being folded in opposite directions over the middle portion when the mask is not in use, the upper mask portion and the lower mask portion are unfolded away from the middle mask portion when in use so that the metal stripe is located at a user's nose, the folding portions being stretched out to increase a filtering area of the middle mask portion when the face mask structure is in use.