Never inhale helium, as it can be dangerous. Use a manual pump or helium tank for inflation.
To ensure your balloons last and remain safe, follow these expert tips from Party City : baloons
These have a shiny, metallic finish and can hold helium much longer than latex. However, they are sensitive to temperature; extreme heat can cause them to burst. Never inhale helium, as it can be dangerous
Balloons expand in heat and contract in the cold. Slightly under-inflate balloons if they will be used in warm environments to prevent popping. Never inhale helium
Creating professional-looking decor often follows specific design rules: