20PCS KN95/KF94/N95 Face Mask Anti PM2.5 Anti Particle Mask

Features:
KN95 face mask, the filtering effect is up to 95 percent.
Anti PM2.5, haze, dust and bacteria, etc.
Using advanced environmental materials, the four-layer fabric effectively resists fine particles and bacteria in air pollution.
Three major antibacterial technology, give you more thoughtful protection.