(10pcs) AER KF94 advanced mask, mask strap [N95 Level, 99.9% protection]

◈ Korea No.1 mask AER (NAVER Ranking)[Features] 1. Korea (NAVER) No.1 MASK2. Over 1 million subscribers in online shop3. 100% Genuine Product Certification [Key Point] 1. Better filtration rate than normal KF94 MASK. (Filtration rate : 99.86%)2. 20% lighter than original KF94 mask.3. Breathe 30% more comfortably.  - Respiratory resistance is 21pa, lower than original ‘s 30pa.4. U.V blocking functional fabric (U.V A / U.V B)5. Nose is comfortable with new aluminum material. 6. Derma test excellent certified by Germany Skin science lab. [15 Safety Tests] 1, Fluorescent material non-detection (outer) 2. No formaldehyde detection3. Ash test (outer) 4. Strength test (outer) 5. Allergic dye non-detection 6. PH measurement test7. UV Protection Test 8. Heavy metal test (MB) 9. Hazardous Substance Test (MB) 10. Phthalate test (MB) 11. Heavy metal test (outer) 12. Hazardous Substance Test (outer) 13. Skin irritation test 14. RoHS certified 15. Phthalates non-detection [Color & Size] 1. Colo