49.99 USD is for 5 pieces of N95 Masks，The more pieces you purchase, The Price lower for each piece.
This N95 mask is for at least 95 percent filtration efficiency against certain non-oil-based particles and aerosols, also can protect against dust fluids germs and weather.
Three layer design, perfect mask when travelling through congested airports bus terminals malls parks and busy city streets, filter the pollution, gases, odors, dust, pollen, smog, PM2.5, germs, bacteria and viruses effectively.
3D and light weight design makes you breathe easier.
High-quality elastic earband, easy to wear and comfortable,comfortable for long periods of wear, help protect one of your most vital assets which is your respiratory system.