... fabrics3.BFE95%, BFE99% filter paper and Normal filter paper4.Standard mask size: 17.5cm*9.5cm5.Standard Ear loop Length: 17 ... CTN, 1000PCS/CTN, 2000PCS/CTN 100% BRAND NEW Surgical Face Mask, with a filter encased in 3 layers of non-woven ... protection4, Light weight, easy to pack for convenience5, Ideal for Protection and comfort for the surgical team6, Suitable for yard work, house cleaning, sickrooms ...