Helium balloon is a kind of monoatomic nonflammable gas, which is chemically inactive and will not generate compounds. So helium is safe when used. It won't burn or explode, so it won't hurt children. If there are smokers present, it is ok to smoke as little as possible, because the balloon itself smells, and smoking will make the air quality in the enclosed space poor, affecting the children and ladies at the scene.

Normally, helium balloons take 4-5 hours to lift off. If it needs to be used for a long time, it needs to be filled with a layer of balloon protection liquid, and it can be lifted off in about 24 hours, which takes a long time. Zhongxiang KTV often proposes marriage with helium balloons. Zhongxiang Mika Celebration Decoration Store provides you with preferential and romantic Zhongxiang KTV proposal balloons, leaving a good memory.

The color of helium balloon can be selected according to your own preferences, which can be ordinary balloon, big balloon or bubble ball.

Balloons sold on the street are all filled with helium. Helium is more stable than hydrogen. When hydrogen is used, it may explode due to hydrogen leakage. Therefore, it is safer to fill balloons with helium. Helium is an inert gas with stable properties and low risk. There seems to be a rule that hydrogen is not allowed to fill balloons with hydrogen.