There are the following materials:

The most common PP paper photo, PP paper is also called sea newspaper.

a better picture is made of photographic paper, which is thicker but the picture is not very flat after rolling.

3. the advanced one is made of thermal transfer images, which can achieve the best effect whether in rolling images or supporting, but the cost of thermal transfer is relatively high.

Yi Labao

Yi Labao, or poster stand and display stand, is also called easy-to-pull stand, easy-to-pull stand, easy-to-pull roll, etc. in the advertising industry, and it is an erect propaganda poster. Common in crowded street passages, assisting self-employed roadshows or temporary booths. The main material in Yi Labao is plastic or aluminum alloy. Yi Labao's substitutes are street banners, road flags, posters and stickers.

General material:

Material: plastic steel, aluminum alloy, PP synthetic paper, adhesive

Reference: Yi Labao Baidu Encyclopedia.