1x(Bucket+Tap+Lid+Bung). 2x(Bucket+Tap+Lid+Bung). 1x(Bucket+Tap+Airlock+Lid+Bung). 2x(Bucket+Tap+Airlock+Lid+Bung). Spare Bung. To make opening the container easier, open the lid by gently pulling the handle, insert e.g. the handle of a spoon into the gap, and then pull it around the edge of the container.