1)Water proof:static hydraulic pressure above 4000pa,heat resistant. 2)Materials:Aluminized fabric 3)size:M,L ... amended in 1981. It is characteristic of radiation resistant of heat, fireproof, heat insulation, waterproof insulation softness, high strength, corrosion ... damped.6. Expiry date:three years flame retardant heat resistant suit fireman protective suit heat resistant suit,protective clothing