Product name: KN95 face mask Material non-woven / electrostatic filter cotton Melt-blown fabric/filter sponge Certification: China GB2626-2006 KN95 level Function: anti-fog/dust/droplet etc. 1. Easy breathing Upgrade electrostatic filter cotton for comfortable and breathable performance 2. Cool breathing Cold flow breathing valve, breathing refreshing 3. Wear no burden New upgraded knit band, comfortable and skin friendly Features: Made of multi-layered nonpoisonous, non-allergic, non-stimulating materials. Adjust the bandage strip and built-in foam cushion to adapt to various face-shapes with comfortable sealing. Application: use for construction, mining, textile, grinding medicine daily ues.