3-PLY MASK - The design of the disposable masks depends on the mode; usually the masks are three-ply (three layers). This three-ply material is made up from a melt-blown material placed between non-woven fabric. SOFT BUT RELIABLE - Soft and comfortable ear hook masks, not easy to drop, no need to adjust it when you work. A flexible Nose bar is adopted at the bridge of nose; The four sides of the mask join flatly and tightly to the face; Hence, it avoids unfiltered air directly entering into the mask and thus make breathe safely.