What is the name of the billboard that is supported on the ground in the shopping mall and can be folded up and taken away at any time?

Is the billboard that stands on the ground in the shopping mall and can be folded up and taken away at any time a mobile billboard? , also known as "Yi Labao".

Reference:

Yi Labao, or poster stand and display stand, is an upright poster. Common in crowded street passages, assisting self-employed roadshows or temporary booths. The main material of Yi Labao is plastic or aluminum alloy. Yi Labao's substitutes are street banners, road flags, posters and stickers.

Yi Labao, or poster stand, display stand, also known as easy-to-pull stand, easy-to-pull stand, easy-to-pull roll, etc. In the advertising industry, it is a set poster, which is often used in crowded street passages, assisting self-employed roadshows or temporary booths.

Yi Labao's structure is a floor-standing scroll with a retractable column upward from the ground and a button at the top. When in use, pull out a vertical poster from the scroll to attract the attention of passers-by.

Yi Labao is suitable for conferences, exhibitions, promotions and other occasions. It is one of the most commonly used portable display tools.