This is an approved respiratory mask. It has a multi layer filtration, which serves as a protective barrier from air pollutants such as viruses and bacteria that are harmful.It has an adjustable nose wire to fit all face types. It is comfortable on the ears and it is reusable. It is skin friendly and suitable for all environments. PREMIUM QUALITY - BLACK FOR GENTS, these masks make for easier breathing and comfort! FOR LADIES, these KF94 Masks protect your MAKE-UP especially lipstick. FEATURES:4-layered, highly effective filter for protection from air pollution and fine dust. 3-dimensional structure increasing breathing space. Adjustable nose clip Providing non-slip wear and reducing heat and moisture accumulation. Elastic ear loops making itself comfortable to wear. The masks feature uniquely adjusted straps which makes it wearable all day without any ear pain. Pull on the straps and hook it to secure the mask strap in place. Each mask is individually packaged for hygiene and convenience.