Gauze face mask

1. Material: high grade cotton yarn. 2. Yarn: 40Sx40S 3. Mesh: 50x50, 30x30 4.Size: 12.5x9cm, 13.5x9.5cm, 11x8.5cm, 12x8cm 5. Ply: 8ply, 12ply, 16ply 6. With one non woven swabs at the upper side, can change the non woven swabs everyday. 7. Can be washed and use for many times. 8. Used for protect bacteria, pollen, cold wind. 9. Produced in clean room. 10. Standard: Japanese pharmacopoeia, European pharmacopoeia. 11. Certificates: CE, ISO 13485:2003. 12. Factory Managing according to 7S quality requirement.