Abstract: A stackable container, paper holder or the like, includes a base that lies on a substantially horizontal plane, a back wall that lies on a substantially vertical plane, and side members, characterized in that the side members include, on each lateral edge of the base, at least one plate that lies substantially at right angles to the edge of the base on a plane that is angled about a vertical axis with respect to the extension of the edge, the edge being furthermore provided with a recess that is adjacent to each one of the plates and is suitable to accommodate one end of a corresponding plate that belongs to an adjacent container that is stacked together with the container, in a storage or shipping condition, the container includes a means for mutually engaging two adjacent containers, the means engaging the adjacent containers in a use condition of the container.