... yearsNon-toxic, non-flammable, non-radioactive,waterproofNo heat, flame and sparks, No batteries requiredSample is availableConform to EN71 and ASTM F963 ... -flammable, non-radioactive, waterproof, windproof ,4) No heat, flame and sparks, no battery required .5) Conform to EN71 and ASTM F963 ...