"Masks Used by Doctors in Hospitals" High-quality masks that cut 99% of virus droplets and allergens like pollen. Uses soft, elastic knit rubber that is gentle on the ears. The box is shrink-wrapped to maintain cleanliness. 5 boxes (30 masks per box) Product size: 90mm (height) X 175mm (width) Materials: Body: 3-layer non-woven fabric (polypropylene, rayon, cellulose, polyester) Ear loops: (polyester, polyurethane) Nose piece: (polyethylene)