According to the survey, most of the plastic foam mats currently sold in China are EVA materials. The material itself is non-toxic, but some manufacturers add a kind of formamide to the production process in order to increase the softness of the mat. Substance, which not only increases the amount of foaming but also reduces production costs. While formamide releases ammonia gas at high temperatures, if the body inhales a large amount of ammonia, symptoms such as cough and difficulty in breathing may occur, and serious diseases such as asthma may also occur.

Since China has not yet established production standards for plastic foam mats, parents must be cautious when purchasing children's plastic foam mats. It is best to buy them in regular shopping malls or supermarkets, and to look for products outside the purchase. CCC certification mark on the package. The purchased plastic foam mat must be aired in time to allow the ammonia to be fully volatilized. If you accidentally buy a product that emits a strong pungent odor, it is best not to use it for your child, so as not to cause harm to your child's health. For infants and crawling children, it is best to replace the plastic foam mat with a pure cotton mat or carpet. For the health of children, Bao Ma must be careful to buy.