Related to the Description of face mask
Product standard: GB 2626-2006 Product performance: Filtration efficiency ≥95% Material structure: the product is composed of 5 layers of materials, including two layers of spunbonded material, melt-sprayed material and needled cotton, which are used for blocking particles and body fluids in the air.Plastic strip, good plasticity, safety veneer.Related to the Description of face mask Source: https://www.unisourcesgroup.com/Daily_use/