Make sure to remove these things while packing for international trip otherwise the customs will send you to jail

In most nations, drugs are illegal (Travelers' Customs Rules). In case drugs are found, you can have dire consequences. Usually, drugs are discovered in bag checking. After that, even for several hours, you can be interrogated.

Sharp weapons and ammunition

Weapons and gunpowder are banned in almost all countries. If you are caught with weapons or ammunition, you can go to life imprisonment for smuggling illegal weapons. So do not keep such things in the bag even by mistake.

Living creatures and plants

Permits must be acquired in an attempt to move living animals and flora between nations. Having living animals and flora can lead to penalties and punishments when one is caught with them.

Cultural and historical items

It is not permissible to carry cultural and historical items between nations. Carrying cultural and historical items can make one pay a fine and face penalties, in case one is caught for it. Most individuals have a few items of a nation's history, and in the process, they're getting in trouble.

Illegal items

Carrying illegal items including stolen goods, goods acquired in an illegal way, etc., between two nations is prohibited. In case your bags have illegal items, then a penalty can be imposed and any penalty can be incurred. Keeping such items out of your bags will save your life and your journey will become safe and comfortable.