WIND AND UNWOVEN SEA MASK Free Size OLIVE DRAB Set of 3 Main body/Filter section (Polypropylene) Nose fitter (Polyethylene) 3-layer structure filter to prevent the entry of pollen, viruses, and PM2.5 Built-in 99% cut filter Purchased online at WIND AND SEA Individually packaged, so they can be sold separately with peace of mind. *Box not included Although new and unused, please refrain from purchasing if you are overly concerned, as the item has been handled by a person. Shipping will be done by regular mail in an envelope. WIND AND SEA Mask Olive Drab Color: Green