1)Water proof:static hydraulic pressure above 4000pa,heat resistant. 2)Materials:Aluminized fabric 3)size:M,L,XL Fireman ... that is amended in 1981. It is characteristic of radiation resistant of heat, fireproof, heat insulation, waterproof insulation softness, high strength ... clean water. Dry the suit in the air and avoid moisture after cleaning. Dunking the suit or hard attacking is prohibited ...