A container (10, 110, 210) comprising: a tray (14, 114, 214) comprising a bottom wall and a peripheral side wall (32, 132, 232) extending upwardly from the bottom wall, which collectively define a compartment, and terminating in a tray rib (34, 234) to at least partially define an open top providing access to the compartment; a cover (12, 112, 212) comprising a top wall (16, 116, 216) terminating in a cover rib (18, 118, 218) having a peripheral cover lip (24, 124, 224); a blocking wall (50, 150, 250) provided with the tray rib (34, 234) and preventing direct access to the peripheral cover lip (24, 124, 224) when the cover (12, 112, 212) is on the tray (14, 114, 214) in a closed position on the open top of the tray (14, 114, 214); and at least one tab (60, 160, 260) provided with the blocking wall (50, 150, 250) and at least partially separable from the container (10, 110, 210) along at least one line of weakness (62a, 62b, 162a, 162b), wherein the at least one tab (60, 160, 260) is moveable from a first position, where the at least one tab (60, 160, 260) prevents direct access to the peripheral cover lip (24, 124, 224), and a second position, where the at least one tab (60, 160, 260) is at least partially separated from the container (10, 110, 210) along the at least one line of weakness (62a, 62b, 162a, 162b) to provide access to the peripheral cover lip (24, 124, 224); an interference element (70, 170, 270) extending from the at least one tab (60, 160, 260) and engaging the peripheral cover lip (24, 124, 224) through an interference fit when the cover (12, 112, 212) is in an initial closed position prior to the at least partial separation of the at least one tab (60, 160, 260) from the container (10, 110, 210), wherein the at least partial separation of the at least one tab (60, 160, 260) from the container (10, 110, 210) along the at least one line of weakness (62a, 62b, 162a, 162b) provides an indication that the cover (12, 112, 212) has been removed from the tray (14, 114, 214) to provide access to the compartment, characterised in that the peripheral cover lip (24, 124, 224) is deflected by the interference element (70, 170, 270) when the cover (12, 112, 212) is in the initial closed position, and in that the interference element (70, 170, 270) inhibits re-positioning of the at least one tab (60, 160, 260) into the first position after movement of the at least one tab (60, 160, 260) to the second position. a tray (14, 114, 214) comprising a bottom wall and a peripheral side wall (32, 132, 232) extending upwardly from the bottom wall, which collectively define a compartment, and terminating in a tray rib (34, 234) to at least partially define an open top providing access to the compartment; a cover (12, 112, 212) comprising a top wall (16, 116, 216) terminating in a cover rib (18, 118, 218) having a peripheral cover lip (24, 124, 224); a blocking wall (50, 150, 250) provided with the tray rib (34, 234) and preventing direct access to the peripheral cover lip (24, 124, 224) when the cover (12, 112, 212) is on the tray (14, 114, 214) in a closed position on the open top of the tray (14, 114, 214); and at least one tab (60, 160, 260) provided with the blocking wall (50, 150, 250) and at least partially separable from the container (10, 110, 210) along at least one line of weakness (62a, 62b, 162a, 162b), wherein the at least one tab (60, 160, 260) is moveable from a first position, where the at least one tab (60, 160, 260) prevents direct access to the peripheral cover lip (24, 124, 224), and a second position, where the at least one tab (60, 160, 260) is at least partially separated from the container (10, 110, 210) along the at least one line of weakness (62a, 62b, 162a, 162b) to provide access to the peripheral cover lip (24, 124, 224); an interference element (70, 170, 270) extending from the at least one tab (60, 160, 260) and engaging the peripheral cover lip (24, 124, 224) through an interference fit when the cover (12, 112, 212) is in an initial closed position prior to the at least partial separation of the at least one tab (60, 160, 260) from the container (10, 110, 210), wherein the at least partial separation of the at least one tab (60, 160, 260) from the container (10, 110, 210) along the at least one line of weakness (62a, 62b, 162a, 162b) provides an indication that the cover (12, 112, 212) has been removed from the tray (14, 114, 214) to provide access to the compartment, characterised in that the peripheral cover lip (24, 124, 224) is deflected by the interference element (70, 170, 270) when the cover (12, 112, 212) is in the initial closed position, and in that the interference element (70, 170, 270) inhibits re-positioning of the at least one tab (60, 160, 260) into the first position after movement of the at least one tab (60, 160, 260) to the second position.