This ASTM level 3 disposable face mask is made of non-woven fabric with 3 layers, soft and breathable material and helps to keep your nose and mouth covered and protected from germs, dusk, bacteria, smoke and pollen. Sold unimprinted. Orders must be in multiples of 2500. Packed by 50's in a box. Outer Layer: non woven fabric 25gsm Middle Layer: melt-blown 25gsm Inner Layer: non woven fabric 23gsm Available in the USA Limited stock. First come first serve. Certificates : FDA, ASTM level 3 Note: FREE SHIPPING INCLUDED Limited stock only. First come first serve. Price Includes: Free ground shipping to 1 continental United States location