Our holiday theme face masks are made of soft, breathable polyester fiber and cotton. Feature with a pocket inside for holding a PM2.5 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. The adjustable earloops and nose bridge to ensure more perfect to fit for adults. Ideal for personal use, salon, restaurant, holiday celebrating and any other outdoor events.