What you want to ask is what cushion is on the mask meltblown cloth and what role does it play? Polypropylene melt-blown nonwoven fabric. Moisture absorption. According to the inquiry, the website shows that the mask is designed in three-dimensional 3D, and the face shape is not tight. The meltblown cloth of the mask is covered with a polypropylene meltblown nonwoven mat, and the core filter layer of the mask blocks particles or aerosols in the air and plays a role in moisture absorption.