Features:

• Strong antimicrobial layer
• Helps kill 99.9% of germs
• Superior bacteria exterminator effect
• Comfortable respiration
• Complete prevention of saliva droplets
• Helps prevent dermatitis and allergies
• Harmless to humans

Packing:

• 1pc CopperMask Antimicrobial Film with 10pcs Non-Woven Fabric Filter
• 1Box can be used for 30 days or more