Abstract: The package (1) comprises a cardboard tray (T) with a bottom panel and side panels (31, 32, 33, 34) and a plurality of flanged containers (2) arranged in the tray in a plurality of rows (4a-4f). Each of the containers comprises a body (2a), an opening defined by the body upper face, and an annular flange (5) extending in a plane outwardly from the opening completely around the periphery of the opening. At least in an external row (4a), at the row ends, the flanges (5a) comprise a corner portion (5a) having one of a rounded shape and an oblique shape. The panels of the tray (T) may extend from the bottom panel and include two first side panels (31, 32), two second side panels (33, 34) that extend perpendicularly to the first side panels, and oblique corner panels (35, 36, 37, 38).