79.99 USD is for 10 pieces of Valved N95 Masks，The more pieces you purchase, The Price lower for each piece.
Safe and breathable, Hypoallergenic, high filtration, capacity. Elastic ear-loops with no pressure to the ears;
Provide some protection against dust, or some poisonous things. It is great for woodworking, house cleaning and general maintenance.
The breathable earloop face masks will prevent your allergy symptoms and reduce the risk of catching a cold or the flu, and transmitting it to others.
Wide Usage: surgical, dentist, salon, sick masks, flu face masks, cold wind, auto exhaust, dust, allergen protect masks, Germs, Allergies, Chemicals ,Smoke, Ash, Pollen,Gardening,Travel, etc