The invention relates to a device comprising: a foldable case (1) provided with a base (11) having at least two folding side wheels (2) for supporting and moving same and side panels (12) which can be moved between a folded-up position, in which the panels (12) are positioned in parallel on top of the base (11), and an unfolded position, in which the panels (12) are arranged substantially vertically, forming together with the base (11) a cavity in which shopping can be placed; and a telescopic handle (3) which is mounted on a support part (4) solidly connected to the base (11) by means of a hinge system (31) which can be used to move the handle between a non-use position, in which the handle (3) is arranged substantially horizontally on the folded-up case (1), and a use position in which the telescopic handle (3) is arranged substantially vertically on the front side of the unfolded box.