Abstract: The invention relates to a portable delimiting device comprising a plurality of single-piece posts (1) or multi-piece posts (11) arranged spaced apart from each other, each consisting of a flexible material at least in sections, characterized in that in the erected delimiting device, the post section (1a, 1b, 1c) consisting of the flexible material is arranged on all posts (1) or at least on some of the posts (1) such that said section runs in an arcuate manner in the direction of an adjacent post (1), and said section is under tension due to the flexible material properties, wherein the upper post section (1a), which follows the arcuate section, of a post (1) is removably connected to the adjacent post (1).