These have extra protection. This non-medical face mask has an outer layer of moisture-wicking soft polyester and an inner layer of 100% tight weave cotton. A pocket in between lets you insert our 5 layer filter for added protection. Filter can last up to several days before replacing. Filter is not washable. Each mask comes with 2 - PM 2.5 5 layer filters. Mask is washable, reusable, easy to breathe and comes with adjustable ear loops. Built-in nose bridge that is removable and individually packaged. READY IN 3 - 5 BUSINESS DAYS! Need them sooner, just ask.