The general scale for flags is set at the following five types:

1. 288 centimeters long and 192 centimeters high.

2. 240 centimeters long and 160 centimeters high.

3. 192 centimeters long and 128 centimeters high.

4. 144 centimeters long and 96 centimeters high.

5. 96 centimeters long and 64 centimeters high.

The commonly used flags include advertising flags, national flags, corporate flags, outdoor activity flags, colorful flags, hanging flags, hand waving flags, water injection knife flags, road flags, etc. Their size specifications are also differentiated according to their different uses.