The type of security seals you should use will depend on the specific requirements of your application and the environment in which the seals will be used. Here are some of the most common types of security seals and their typical uses:

Cable seals: Cable seals are made of a plastic or metal coated steel cable, and they are commonly used for securing cargo containers, trailers, and railcars. They are known for their high level of security and tamper-evident features.

Bolt seals: Bolt seals are made of a metal bolt and a plastic or metal locking body, and they are commonly used for securing cargo containers, trailers, and railcars. They are known for their high level of security and tamper-evident features.

Plastic seals: Plastic seals are made of a plastic material, and they are commonly used for securing bags, trailers, and used for many more applications and industries

When selecting the appropriate security seals for your application, it's important to consider the level of security required, the environment in which the seals will be used and any specific requirements such as tamper evidence or printing on them.