Food kept in plastic can become poisonous, while buying boxes and containers, definitely look at these numbers

Ananya Shroff
3 Min Read


Due to the concept of modern and easy life, the use of plastic in the kitchen is increasing. Refrigerators in homes are full of plastic containers, almost everything from water bottles to food items is kept in plastic. Apart from this, if we talk about online food ordering, hot food is packed in plastic containers and delivered.

But the misuse of plastic has a very bad effect on health. It can also cause fatal diseases. However, number codes have been given to maintain the quality of plastic containers. With the help of these, you can know which container's quality cannot harm health in terms of food safety. In such a situation, we are telling you important things related to the use of plastic along with these codes.

Avoid boxes with this number

There is a number written on the back of every plastic container. Actually, this is the recycling number, that is, it shows the quality of the container. If the number 3, 6 or 7 is written on a container, then it has to be used very carefully. Because these release harmful substances when heated.

one time use boxes

It is very important to note down the number of plastic containers before buying them for food and drinks. For example, if a container has a triangular shaped number 1 written on the back, it means that it is to be used only once. If it is used more than once, it can be harmful to the body.

Identifying Reusable Containers

Identifying Reusable Containers

No matter how much effort you make to avoid using plastic at home, sometimes you still need it. In such a situation, if you want to buy plastic containers for reuse, then look for those boxes on the back of which 2, 4, 5 are written. Plastic containers with these numbers can be used again and again. They do not harm health.

freezer and storage compartments

freezer and storage compartments

If you are buying plastic containers for use in the freezer, make sure the container is labeled 'freezer safe.' Also, if there is a cup and fork symbol on the back of the container, it means these containers can be used to store food.

Plastic for microwave and dishwasher

Plastic for microwave and dishwasher

If you want to buy utensils for microwave, then buy only those containers which have wavy marks on the back. Because these marks indicate that the container is microwave safe. Apart from this, if there is a water shape on the container, then it is an indication that the container is dishwasher safe. Therefore, you can buy it for dishwasher.


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