... and dust,ultrasonic machine-sewed,with earloop and nosepiece Material:Non-woven cloth Tissue Paper Size:17.5*9cm Color:White Blue ... , work cap, astronaut cap, shower cap and so on)2. Non-woven coat(SBPP/PP+PE/SMS)3. Face Mask(1-4ply ... Beard Cover, Head Rest Cover, Bed Cover,etc) 5-ply disposable non-woven chamber face mask