In 2024 especially, there will be lots of products that are cheap and easy to get. However, if the item is the same as other products at a high price, it is certain that it is an imitation or fake item. Moreover, in 2024, famous items are very easy to imitate. Therefore, some factories or business owners try to make a "special mark" on the packaging and contents of their products in order to avoid imitation of their goods.