Top Quality Flame-retardant Curtain, Flame-retardant Curtain, RoHS Compliant, Ideal for Family and Public Use Top Qualtity Flame-retardant Curtain1Composition of material:Permanent flame-retarding polyester2.Wdth:148cm ... Flame-resistant materialPermanent being flame-resistant fiber propertyWhen meets the flame, the textile fiber can wither, builds up spherically, is the secure extremely high ...