Abstract: A container for packaging liquids, in particular mineral oil and the like and other media such as powders, pastes and the like, said container having the form of a preferably right prism with two polygonal bases and being adapted to be placed with at least one of its basal and lateral faces against corresponding faces of similarly formed containers to form a group of containers, at least one of said basal and lateral faces being provided with means for engaging a corresponding face of a similar container when placed against said corresponding face to counteract slipping between the engaging faces.