The flag is usually made of Chunya textile and warp knitted cloth.

1. Chunya textile, also known as polyester cloth or flag cloth and flag cloth, is often used to produce national flags, enterprise flags and advertising flags of various countries. It is the most commonly used flag making material at present.

(1) Advantages: due to the use of thermal sublimation ink, it has no pungent smell, good double permeability effect, high ink permeability, both sides can be printed, and the printing effect is the same. The maximum available size is 3.2m wide.

(2) Disadvantages: due to the influence of setting temperature, the picture will shrink by 1-3% during thermal sublimation and heating;

(3) The application scope of Chunya textile mainly includes: enterprise flags, advertising flags, national flags of various countries, etc.

2. warp knitted cloth is different from Chunya textile. Warp knitted cloth is called knitted cloth or windproof cloth, which is specially used to make advertising banners; This material has good air permeability. Warp knitted cloth is often used to make advertising flags or enterprise flags in windy areas. Warp knitted cloth is mainly used for printing water injection flag and knife flag. This kind of cloth will not be tapped or off-line. It is the first choice for making outdoor advertising flags that need to be hung for a long time.