High-quality elastic ear hooks, no ear pressure, comfortable to wear for a long time. * Work closely to prevent contaminated air from entering. * Nose sponge pad, soft and flexible nose pad makes mask wearer more comfortable. * Adjustable soft nose clip, suitable for the bridge of the nose, can prevent the glasses from fogging and prevent haze from entering. * Various uses: It can be used in electronics manufacturing, dust-free workshops, catering services, food processing, schools, motorcycles, beauty, environmental cleaning, public places and other uses. All filtration efficiency indicators are above 95%.