The present invention is related to a face mask, comprising: an air-permeable body, having an inner surface and an outer surface and a size sufficient to cover the mouth and nose of a user a ring seal connecting to the inner surface of the body through its upper end and lower end and at least one strap connecting to the side of the body for securing the face mask to the users face. Since the ring seal is elastic, the ring seal can be forced against the mask body and the users face by pressure to achieve good sealing effect both between the face of the user and the ring seal and between the mask body and the ring seal.本創作係關於一種口罩,其包含:具有外部表面及內部表面,可允許空氣通過的主體,其中該主體具有至少可覆蓋使用者口鼻的尺寸;環形密封件,藉由上下兩側分別與該主體之內部表面結合;及至少一彈性帶,連接於該主體之側邊,用於將該口罩固定於使用者之臉部。當使用者配戴該口罩時,因該環形密封件具有彈性,可被擠壓而緊靠著該主體及使用者臉部,因此,該環形密封件與使用者臉部間及主體間可形成良好的密封效果。10‧‧‧口罩12‧‧‧主體14‧‧‧彈性帶18‧‧‧環形密封件
