Nontoxic dust mask features a double-sheet construction to keep you safely protected from the effects of pollen, dust, grass and other nontoxic particles. Elastic band wraps comfortably around your head to maintain a tight-fitting seal. Custom-fit nosepiece adjusts to the contours of your face to provide an enjoyable fit. Polypropylene material performs well in high-humidity environments and is disposable for convenient cleanup.Nontoxic dust mask features a double-sheet construction to keep you safely protected from the effects of pollen, dust, grass and other nontoxic particles. Elastic band wraps comfortably around your head to maintain a tight-fitting seal. Custom-fit nosepiece adjusts to the contours of your face to provide an enjoyable fit. Polypropylene material performs well in high-humidity environments and is disposable for convenient cleanup.