One or more techniques and/or systems are disclosed for a device that can be used to seal an opening of a package to mitigate loss of package contents, and to effectively transfer contents of the package to a target device or system. The device can comprise a base cap that engages with a package opening, such as a fitment, and a nozzle portion. Alternately, the fitment may comprise a fixedly engaged base. The nozzle portion can comprise a portion that selectably engages with two or more target systems, such as through a filling port, and may also selectably engage with a closing cap that can be used to close the opening, by sealing a spout portion of the nozzle.