3 Layer, Fully Ultrasonic, Nose Wired Surgical Face Mask Bactery Filtration : 99,2% (EN-14683 + AC 2019 Eurolab Test Report Result) Inner Layer: 20 gr/m2 PP Spunbound Fabric (Nonwoven) Middle Layer: 25 gr/m2 PP Meltblown Fabric (Nonwoven) Outer Layer: 30 gr/m2 PP Spunbound Fabric (Nonwoven) Measurments : Length: 175 mm (+/- 5 mm) | Width: 95 mm (+/- 5 mm) Nose Clip : Material: Stainless Plastic Covered Wire | Length: 95 mm (+/- 5 mm) Ear Band : Length: 170 mm (+/- 5 mm) | Width: 2 mm. Colors : White, Blue, Green (Mask colors can vary depending on the fabric color)