These reusable face masks with full color printing is made of skin friendly polyester with adjustable ear loop to ensure a perfect fit for adults. Features with a pocket inside to hold a 5 layers pm 2.5 filter which provides strong protections against pollen, dust, automobile exhaust, smoke, droplets and etc. 1 mask comes with 7 pieces pm 2.5 filters for replacement. Additional filters are acceptable. Perfect for personal use, salon, dental clinic, restaurant and any other places where protection might be required.