welcome to my store! Features: High-grade material for high skin-friendliness. Non-toxic and environment-friendly, and the wearer is more relieved. 3D stereo cut, more fit for the face, more comfortable to wear. Scope of application: daily anti-fog, dust, particulate matter. Specification: Product name: KN95 filter dust mask Product description: Add activated carbon filter layer, absorb odor, and multilayer protection. Every breath is fresh. Product function: windproof sand dust, automobile exhaust, anti-fog and haze, anti-second-hand smoke Product features: 3D three-dimensional design Light material with fluffy, breathable, soft (moderate softness, comfortable wearing), hygienic, moisture-free Product material: non-woven, spunlace Scope of application: unlimited use of the crowd