The trailers that carry containers which will usually have some important goods like petrol, gas, acids and chemicals. The containers must be properly sealed to safely transport these volatile compounds. The containers are usually custom made with high level security seals which are talked every second during the transportation time. The companies does not take any risks in making cheap security seals because a minute leakage can cause severe losses to the company as well as deadly threats to the surroundings. The common type of types of seals that are used in containers Passive RFID trailer seals, Trans metal seals, Pollock trailer seals. For non-volatile substances like water and other products does not require high level of security and hence simple bolt seals or any other plastic security seals are used in sealing the container. Unlike normal security seals which are used in small carriers the trailer seals will have edge durability and tensile strength and also costly.