This invention relates to a suction cup (2), a negative pressure transfer means (3), a handling assembly (1) comprising the suction cup (2) and the negative pressure transfer means (3), a tray for securing the handling assemblies (1) and a container grasping system (10) comprising the tray and handling assemblies (1).The suction cup (2) comprises channels that are secured by suction onto a perimeter (12) of an aperture of a hole (11) of the container (10) and a protrusion (28) positioned internally in relation to the channels that closes a hole (11) of the container (10). The suction cup (2) enables the container (10) to be grasped and handled while closing its hole (11). The use of numerous suction cups (2) in parallel enables numerous containers (10) to be handled in parallel.
