MASK FACE CONTACT PART COVER

摘要

PROBLEM TO BE SOLVED: To provide a mask face contact part cover which will minimize leakage in putting on a mask and can be fixed firmly without limitations on the shape of a face contact part of the mask. SOLUTION: This face contact part cover of a mask for respiration is formed by foam, and it has a cylindrical shape. The outer periphery of one end part of the cylindrical shape is shorter than the outer periphery of the other end part.