Most of the unqualified thermos cups are polluted by heavy metals, and excessive heavy metals do great harm to the body. For example, excessive mercury can damage people's nerves and eyes, and cadmium can also cause hypertension, cardiovascular and cerebrovascular diseases, damage renal function, and may also cause heart disease. However, the inner container of the thermos cup contains a lot of heavy metals that exceed the standard, and the unqualified quality will cause extremely serious harm to human health.

2. Low immunity

If children use unqualified thermos cups to drink water for a long time, it will also lead to low immunity and decreased resistance. Especially in the period of frequent infectious diseases in winter, children are often affected by weak resistance. If the general fever and cold are better, but the child's weak resistance will also produce various diseases, posing a serious threat to the child's health.

3. Impaired IQ

Harmful substances contained in unqualified thermos cups will seriously affect children's cranial nerves and cause serious damage to the cranial nerves. And this kind of harm parents generally can't find. After a long time, it has a great influence on children's IQ. However, this kind of injury is inevitable. Although parents are considerate, drinking water with unqualified thermos cups will affect children's physical and mental health. It's not that parents don't give up money and don't buy cost-effective thermos cups for their children. It's really that parents don't know how to choose.

How to choose a thermos cup like that?

1. Smell it

Generally, inferior thermos cups taste bad. Parents can open the bottle cap and smell it when they buy it. If it tastes bad, don't buy it. But sometimes it is too hidden with something that I can't smell immediately. In that case, parents can also bring a cup of boiled water to smell if there is an odor after buying it. If there is, it can't be used. If not, then no problem. You can use it safely.

Look at the trademark

General thermos cups have logo on them. When parents buy, carefully look at whether the excessive content of heavy metals in bile in the thermos cup meets the requirements. If parents don't know what the actual standard is, they can also inquire according to Baidu search and other forms. Don't be afraid to buy it casually, because it is something that children eat in their mouths and must be healthy and safe.

When purchasing, you can also check whether there is a number on the inner container. Generally, the emblem on the food-grade plastic liner has the number of 304, indicating that the thermos cup is very safe and can be used. Therefore, parents must pay attention when buying, and don't neglect to buy fake and shoddy goods.

comparative price

As the saying goes, you get what you pay. The product price is high, and the quality is of course guaranteed. Therefore, when parents buy thermos cups for their children, they must not be greedy for small profits and buy one for their children at will. When choosing, you must rely on the thermos cup with complete procedures produced by the manufacturer. Only by ensuring the quality of the thermos cup for children to drink water can the health of children be guaranteed!

Therefore, when parents want to choose a thermos for their children, they must not say that it is expensive and troublesome. As long as you can drink water, buy a good one for your child, which will be extremely irresponsible to your child.

Parents must read all the information carefully when buying for their children. Only by letting children buy water cups with guaranteed quality can children drink safe and healthy water, and their physical and mental health will be guaranteed. Parents should know that when children are young, they are the most direct responsible persons for their physical and mental health, so don't ignore them in daily life.