1.)Material: Nonwovens,One layers 2.)Without valve,Thickness: 100g-200g 3.)Earloop,easy to wear, breathable 4.)latex free, head straps, adjustable nasal splint.Non-irritating to skin 5.)In complience with CE EN149 standard 6.)Simple to use.Low breathing resistance with high filtration efficiency. 7.)Applications: A.In clinical offices,housework,gardening and maitenance for filtering dust,pollen,and bacteria. B.In laboratories and factories for blocking liquid mists,harmful airborne chemicals,and fine particles. 8.)Packing: 50pcs/color box,1000pcs/carton,Meas: 60x25x31cm 9.)MOQ: 500boxs 10.)Delivery time: 30days after receiving deposit.