The present invention is an alignment device for a bag containing one or more ports. The alignment device is attached to either the one or more ports or to the bag adjacent the one or more ports. The plate has an indicator or a unique outer edge shape that is designed to fit into a corresponding unique opening in a holder to ensure proper alignment of the bag and its port(s) in the holder. The plate is has a series of holes equal to and in alignment with the one or more ports of the bag and the port(s) extend through the holes of the plate.