Is it dangerous to put balloons in the room?

Helium balloon: Helium balloon is also called aluminum foil balloon in China, and its English name is foil ballo or mylarballooheliumballoon. According to different occasions, it can be divided into birthday party balloons, toy cartoon aluminum film balloons, gift balloons, decorative balloons, advertising balloons, Valentine's Day balloons, Children's Day balloons, Christmas balloons, Spring Festival hydrogen balloons and other holiday balloons. In foreign countries, helium is generally used to inflate aluminum balloons, so helium balloons are generally written on the query table.

The purpose of helium balloon:

The production of helium balloons really began in the late 1970s. Previously, because children play with latex balloons, which are easy to explode and the gas retention time is relatively short, people have always wanted to develop a balloon that can not only keep the gas from leaking for a long time, but also bear the weight of children. Finally, the aluminum film was discovered in the late 1970s. Helium is an inert gas, so there is no danger in inflating balloons. The surface printing of these helium balloons not only looks very beautiful, but also can make aluminum balloons of various sizes, such as dinosaurs, Mickey, Donald Duck, dolphins, airplanes, tigers, elephants and so on. Once the product came out, it was deeply loved by people. Aluminum balloons are suitable for many occasions, can be used as advertising balloons, and are the best gifts for advertising products of major enterprises and companies. It can also be used as a birthday party balloon, which can create a cheerful and peaceful atmosphere and make guests happy.