Triple Layer Medical Mask Fabric Weight- 25 Gsm Per Ply (± 5%) Virgin Quality Pp Spun-bonded Non-woven 2 Outer Layers Medical Blue (Spun Bonded) Snow White (Spun Bonded) 25 Gsm Size- 95 Mm Height X 175 Mm Width (â± 5 Mm) Round Elastic Material Attachment - Ultrasonic Welded 99% Bacterial Filtration Efficiency (Bfe) Mask With Nose Pin