Disclosed are various embodiments for an adjustable chute configured to funnel containers or packages into different types of bulk containers and bulk containers of different sizes. In one embodiment, the adjustable chute comprises a front panel, a rear panel, and first and second flexible sidewalls that can expand and contract between the front and rear panels. The front panel has a first hinged connection configured to move between a first position and a second position along a path of a chimney chute. The rear panel has a second hinged connection to the chimney chute.