... . Material:Aluminized Fabrics,Heat Insulation felt,cotton lining;Feathers:Fireproof,the radiant heat resistant:800 degree;short time flame contact;Style ... ;Size:S,M,L,Usefullness:Protecting Fireman from the fire when they approach the fire,high temperature heat oven or burnt things ... is certified by GA634-2006Testing Method> the fire approach suit