This product is a one-time non-woven three-layer mask, using PP spunbond non-woven fabric Non-woven mask color: white, blue. Size:17.5cmX9.5cm, 14 ... .5cmX9cm 12.5cmX9cmNon-woven masknon damage toskin, ... rides,hospital, salon, drug makers, factory, cleaning,etc. public environments. Non-woven masks