The surface layer is 50g spunbond fabric, the second layer is 45g hot air cotton, the third layer is 30g KN95 filter material, and the inner layer is 30g PP spunbond fabric.
The surface layer is 25g spunbond cloth, the second layer is 40g activated carbon cloth, the third layer is 20g BFE95 filter material, and the inner layer is 25g spunbond cloth.
The surface layer is 60g color spunbond cloth, the second layer is 20g BFE95 filter material, and the inner layer is 25g spunbond cloth.
The surface layer is 25g spunbond cloth, the second layer is 25g BFE95 filter material, and the inner layer is 25g spunbond cloth.
The surface layer is cotton-polyester blended fabric, the second layer is 30g meltblown fabric, the third layer is 45g hot air cotton, and the inner layer is blended cotton gauze.