New AIRism Washable Mask, 3-piece set, M size, White To ensure cleanliness for the listing, I opened the package and gently washed the masks in a laundry net. They are new and unused. This is a 3-piece set of white, washable M-size masks that use a BFE99% cut filter. - Brand: AIRism - Color: White - Size: M - Quantity: 3 masks - Filter Function: BFE99% cut Thank you for looking.