The phone signal can be limited so recommend that you download before you cache and can be muddy under foot.
You are looking for a very large ammo can with lots of storage for swaps and trackables.
Please sign the log book and replace back in the same location out of sight. Take care when retrieving this cache not to damage your surroundings.
With thanks to the Epping Forest Open Spaces Department and the City of London Corporation for allowing us to place this cache.