... we produced are 175*95mm, with 2 or 3 or 4 layers as well as many three ... . MaterialNon-woven, Meltblown fabric, Customized Stylewith ear loop or tie onApplicationfor medical, surgical, pharmaceutical, laboratorial, industrial sectorColorBlue ... 3.DisposableBFE: 90%,95%,99%OEM1.Material or other specifications can be according to customers' requirements ... 3 layers non woven dust proof disposable face mask