What is the standard for the size of the national flag?

The general dimensions of the national flag are as follows:

1, length 288 cm, height 192 cm.

2. The length is 240 cm and the height is 160 cm.

3. Length 192 cm, height 128 cm.

4. Length 144 cm, height 96 cm.

It is 96 cm long and 64 cm high.

The colors of national flags around the world.

Red symbolizes the country's spirit of striving for independence and liberation, the blood, courage, sincerity and enthusiasm of pioneers, and the prosperity of the country.

White symbolizes purity and integrity, hoping for a bright future.

Green symbolizes good luck. Most of the flags of Islamic countries like to use green, which is considered as a symbol of good luck and a symbol of believing in Islam. Some countries in the desert yearn for oases, and their national flags are green.

Blue symbolizes the ocean, river and sky.

Yellow symbolizes sunshine, gold, resources and wealth.

Red, green and blue appear on the national flag the most frequently. Among them, red is the most commonly used, and the national flags of China, the United States, Britain, France and Japan are all red.