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