his mask is composed of two layers of non-woven fabric and one layer of KN95 melt-blown filter cloth, which has good filtering effect, fine process and comfortable use
his mask is composed of two layers of non-woven fabric and one layer of KN95 melt-blown filter cloth, which has good filtering effect, fine process and comfortable use
his mask is composed of two layers of non-woven fabric and one layer of KN95 melt-blown filter cloth, which has good filtering effect, fine process and comfortable use