Don’t wait until the plastic box can no longer hold before replacing it, when you see this sign, you must discard it immediately, or cancer may come one day.

Plastic containers or plastic dishware are incredibly convenient and durable, but don't wait until they can no longer hold things before getting rid of them.


Plastic utensils such as food containers, plastic dishes are very convenient because they are lightweight and difficult to break, especially when there are young children in the house. However, don’t think that plastic containers that are not suitable for use when cracked can still be used. In fact, plastic utensils expire much earlier because they can release plastic particles, harmful additives that affect health, and even cause cancer.

Therefore, even though they still seem to be good for storage, you should still replace them after a period of use, especially when you see the following signs:

The lid is hard to close

When the lid is difficult to close as it was originally, it indicates that it has deteriorated and deformed. At that time, plastic items can release toxins into the body, especially when you store hot items. Therefore, when you see this sign, you should replace it. If you use them to store food and they can no longer be tightly closed, bacteria can enter and spoil the food.

The plastic container is discolored or cracked

When they are discolored and cracked with many scratches, it indicates that they have produced toxins and should no longer be used. When the container is discolored, it indicates that the dye will seep into the food. When exposed to high temperatures, they become even more harmful. So avoid using them when they show this sign. 

Plastic utensils are very convenient and cute, but when buying, you should limit choosing colorful ones and use colorless ones, which is safer for your health.

The plastic container has a strange smell

When you first buy a plastic container, it often has a strange smell that needs to be thoroughly washed. But after a period of use, if they still have a strange smell, it indicates that they have deteriorated or are no longer suitable for storing hot food. This will affect the health of your family. Moreover, plastic containers that are scratched after use can harbor bacteria in the scratches, causing an odor.

The plastic container has many scratches

The scratches in the plastic container can create a breeding ground for mold and bacteria to develop, which can then be transmitted to your food. Mold in the scratches of a plastic container is very dangerous.

When using them, avoid using sharp objects to clean the plastic container to prevent scratching it. If the scratches are deep and numerous, be cautious when using it.

The plastic container has mold inside

If the rubber seal on the plastic container is moldy or there is mold inside, you should limit its use. This mold can be extremely dangerous and harmful to the liver, so don’t hesitate to spend money on buying plastic containers only to end up spending more money on treatment.

The plastic container has peeling plastic film

During production, many plastic containers have a protective film that can peel off after a period of use. At that time, you should absolutely not use them anymore.

Plastic containers may have a long lifespan in terms of shape, but in terms of safety, they no longer have any efficacy and have become unsafe even if their shape is intact.

Therefore, when using plastic containers, avoid using them for too long. On average, each type of plastic container should only be used for about 3 years. Or when there are signs as mentioned above, you should also throw them away to avoid harming your health.

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Frequently asked questions

Over time, plastic containers can degrade and leach harmful chemicals into the food or beverages they hold. This is especially true if the container is exposed to heat, such as being placed in a microwave or dishwasher. These chemicals can have serious health consequences, including an increased risk of cancer.

There are a few signs to look out for. If the container is warped, discolored, or has a strange odor, it’s time to replace it. Additionally, if the container is scratched or cracked, it can no longer be considered safe for use. It’s also important to replace plastic containers periodically, even if they don’t show any obvious signs of wear and tear.

Using old or damaged plastic containers can expose you to harmful chemicals, such as BPA and phthalates. These chemicals have been linked to a range of health issues, including hormonal imbalances, reproductive problems, and an increased risk of cancer. It’s important to take precautions and replace your plastic containers regularly to minimize these risks.

It’s recommended to replace plastic containers every few months, depending on their condition and usage. For example, containers used for storing hot food or those that are frequently washed in the dishwasher may need to be replaced more often. It’s always better to err on the side of caution and replace them more frequently than not.

If you’re concerned about the health risks associated with plastic, there are several alternative options available. Glass or stainless steel containers are durable and safe choices that won’t leach chemicals into your food. Reusable silicone bags are also a popular alternative to plastic storage bags.