How to blow decorative letter balloons without a pump?

You don't have a pump, you can try the following methods to blow the decorative letter balloon:

1, using the blowing pipe: find a slender blowing pipe and insert it into the inflation port of the letter balloon. Then, blow the air into the balloon with a blowpipe. It takes some patience and hard work, because you need to blow several times to fill the balloon.

2. Use a straw: insert a long straw into the inflation port of the letter balloon. Then, put your lips near one end of the straw and blow into the balloon. Like blowing a pipe, it takes some patience and effort to inflate a balloon.

3. Blow air with your mouth: This is a relatively difficult method, which requires strong vital capacity and endurance. Put the balloon inflation port on your lips and blow hard to blow air into the balloon. It takes several times to fill the balloon, which will make you feel a little tired.