Specifications and explanation for mask; Non-woven 3 Ply fabric (spun bond+melt bond+spun bond) Each ply grammage is 25gr/m^2(each ply weight can be change) Ultrasonic welding rubber Mask has nose pin In each box there are 50 mask Masks in box are without polybag We can also provide photo of masks �°f you are interested we can give more information about all products.