A carton has side panels extending upwardly from respective edges of the carton's bottom. Upright edges of the side panels are respectively connected to one another to define upright corners of the carton. At least a first opening to the carton's interior extends across a first of the upright corners. At least one partition has opposite ends that are respectively pivotably connected to the side panels that define the first upright corner, so that the partition can be pivoted between a deployed configuration and an undeployed configuration. The partition at least partially closes the first opening in the undeployed configuration. The partition extends into the carton's interior and at least partially around a compartment during the deployed configuration, whereby the partition at least partially defines the compartment during the deployed configuration. At least a second opening extends through the partition.