Disposable 3-ply face mask with elastic ear loops made of high quality non woven fabric, soft and hypoallergenic. With melt blown filter paper in the middle layer, it effectively blocks bacteria, virus, smoke, dust, pollen and pollution. This face mask can be used in various occasions such as flu season, pollen season, fog and haze climate, crowded public places, dusty environments, cold weather, painting, construction, etc. Includes 50 pieces sealed in a plastic bag in each box. (Shipped from USA, estimated delivery time 3-5 days)