Protection: Three layers of purification dust, toxic gases in the air and skin-friendly filter cloth, provide you multiple protections against dust, allergens and pollutants
Low allergenicity and high filtration capacity.
Elastic ear hooks: have good elastic ear hooks, which can adjust its elasticity; for most adult men or women, a certain size
Three-layer structure: made of three layers of non-woven fabric, soft and breathable, providing effective protection; comfortable to wear
