GMC Face Mask is preferred for medical doctors, employees working in a hospital environment, medical center, commune health station, clinic... can be used for the community to prevent, fight against diseases caused by viruses, bacteria... etc, Structure: Nonwoven fabric, antibacterial fabric, micro lter paper, nose brace, strap Quality standards: TCCS 01/02:2020/HVN, TCVN 8389:2010, CE, FDA Box of 50 pieces: Box size: 190 x 100 x 115 mm; Net weight: 285 gram Carton 50 box: Carton size: 620 x 440 x 540 mm; Net weight: 12.5 kg