These reusable face masks with full-color printing are made of skin-friendly anti-bacterial cotton and polyester. Feature with a pocket inside to hold a 7 layers pm 2.5 filter which provides strong protection against pollen, dust, automobile exhaust, smoke, droplets and etc. One mask comes with 7 pieces pm 2.5 filters for replacement. Additional filters are acceptable. The adjustable earloops ensure a perfect fit for adults. Ideal for personal use, salon, dental clinic, restaurant, and any other places where protection might be required.