*Advantages of Copper Mask -99.9% of virus and bacterial eradication rate by applying ion-combination technology to copper with antibacterial power -A mask with antibacterial and sterilizing power by developing copper nano ion coupled non-woven fabric with excellent technology -Copper is a natural antibacterial material that is harmless to the human body and the environment. *Why do you choose a copper mask? -99.9% of the six major strains completed the antibacterial test -Corona virus inactivation effect 99.9% verified -heavy metal non-detection test -mildew resistant zero grade -KC Stability Passed Fabrication of a special antibacterial nonwoven fabric that combines ions on the surface of the fiber with a nano size of one billionth of a meter. 3D Mask type (3py â?? with MB) individual packing of 1 pcs each / 2 Sizes Large / Small Size ( Kid ) Copper Mask 3D type individual pakcing per pcs FOB USD 0.66 / MOQ 10,000 (Sample purchases can be made regardless of quantity.) (Price negotiation is possible based on quantity of purchase.)