Nasal mask

A nasal mask, including:

• a cover body, at least a part thereof made of a material having air-penetrating and air-filtering characteristics, the cover body being three-dimensional and having a first face which is convex and a second face which is concave, the second face for being attached around a nose of a user, the nose being received in a space defined by the second face, a periphery of the cover body defining a datum face, the cover body having a nose tip portion, a top portion and two nose wing portions, the nose tip portion located on a position of the cover body where is farthest from the datum face and located between the two nose wing portions, the top portion and the two nose wing portions being near the periphery of the cover body, when the cover body covers the nose of the user, the top portion corresponds to an upper end of the nose, the nose tip portion corresponds to a nose tip of the nose, and the two nose wing portions respectively correspond to two nose wings of the nose;
• a framework, fixedly connected with and along the periphery of the cover body, the framework integrally formed and being flexible, the framework having shape-retention characteristic to retain the cover body in a specific shape into which the cover body is shaped.