Mask

Abstract

A mask according to an embodiment of the present disclosure includes: a filtering structure configured to perform an air filtering function; a buckle portion coupled to the filtering structure; and a strap connected to the buckle portion and worn on a body of a user, wherein the buckle portion includes: a body coupled to the filtering structure and having openings formed on both sides thereof; and a fixing piece having one side hinged to a sidewall of the opening and gripping the strap, wherein the strap is inserted between a side surface of the fixing piece and a side-wall of the opening to surround at least a part of an outer surface of the fixing piece, and slidably moves in one direction or both directions in the buckle portion selectively according to a shape of surrounding the fixing piece.

Dependencies are inferred from the claim text.