1.Please inflate the balloons with Helium, more safety. DO NOT USE HYDROGEN ! Explosion Hazard When you use Hydrogen.
2. Keep away from the fire, smoking, high temperature area and sharp objects when using balloons.
3. Due to the temperature change, do not inflate the balloons too full to avoid the balloon burst.
4. Children under 8 year requires close adults' supervision when using balloons.
5. Wire box is not waterproof, please do not put into the water.