Abstract: The invention relates to a collapsible ring made of several side walls (15, 16) for a transportation container (11), which is positioned to stand on a palette base (12) of a transportation palette (13) and surrounds an interior (19) delimited by the side walls (15, 16), and at least one intermediate base (31) that can be arranged in the ring (14) in a usage position (32) and having at least one releasable connection (34) formed between the side wall (15, 16) and the intermediate base (31), said connection being formed by at least one holding element (36), wherein adjacent and/or opposing side walls (15, 16) are held by the releasable connection (34) at a distance to the intermediate base (31), and the intermediate base (31) is simultaneously positioned by the releasable connection (34) to the usage position (32) in relation to the adjacent side wall.