For instance, you can find this approximately where you attach a string to a standard balloon.
Some balloon kits will come with a straw included with the directions.
When the balloon is firm to the touch, it has enough air. Be careful not to blow too much air into the balloon. If you keep blowing, the balloon will eventually pop.
If you fill your balloon with air from a straw, your balloon should stay inflated for about 1 month or longer.
Ideally, you want a tip that is thin and about 1–2 in (2. 5–5. 1 cm) long. Usually, the nozzle is angled, and you can easily insert it into the opening of the foil.
You can use your non-dominant hand to do this, for instance.
At this point, the balloon will be firm but still slightly bouncy. [10] X Research source It is easy to overfill the balloon when using a hand pump, so be careful as you do this.
The inside of the filling tab comes coated with a self-sealing adhesive.
As you fill the balloon, hold onto the filling tab securely.
Keep a secure grip, as the air may come out pretty quickly.
You can tie a ribbon to your balloon to display it for a birthday party, retirement celebration, or wedding, for example.