1 Copper Oxide Non-woven Fabric Effectively Sterilizes 99% 2 Multi-material composite structure layer upon layer protection effectively block all kinds of pollution .and it minimizes the internal pressure of breathing. 3 copper oxide non-woven fabric can inactivate 100 kinds of viruses/nacteria 4 Ordinary Medical Masks Only Do To Block Viruses,Copper Oxide - woven Cloth Can Directly"kill Viruses,So That Copper Oxide Masks Can Be Used Repeatedly. 5 Bacteria (reduction rate) up to 99% after 24 hours 6 It can be reused many times
