Medical Face Mask with earloop and 3-Ply type

Medical Face Mask with earloop and 3-Ply type What are the functions of Medical Face Mask earloop type? Medical Face Mask earloop type is much more convenience than tie a knot type, The earloops made with 100% elastic knitting materials that makes you fit comfortable and looks more clean and tidy. We guarantee one size almost fit all adult face size. The high filtration efficiency sanitary masks,constructed with comfortable materials,cool and easy to breathing ,lltrasonic...