For most kids,after they buying a new stationery products,they always can't wait to open to use, but expert advice,they should be air for days,but why?Now lepusheng will give you the answer:

In fact,the reason why we should air the new bag and new stationery products is the bags which in the stationery market are make of refined chemical fiber materials, in order to reach the effect of shape,they are all soaked with formaldehyde,these chemicals are harmful for children.Especially some children with allergies or asthma, under the strong stimulation of these smells,the reaction will be more intense.So after buying a new schoolbag, parents should pay attention to avoid the children using it immediately,it should be dry in ventilated place for a few days, so that it can reduce the harm to children.
In addition to the new school bag, other stationery products such as book,it should not be so quick to open,because the printing ink of the new book contains benzene,which is harmful to human body,it is best to place it in ventilated place for two days.It is good for children in the growing process.In addition to the above advice of using stationery, most stationery products are all plastic or chemical substances,so in use process,we should pay attention to avoid the children eating them or in the mouth with, so be careful if you are parents.
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