Showing Urns are Full

[GillyTweed]

A small annoyance I've found when I've started running out of storage space is that I can't tell which of my urns are full. The crates have what look like a grey tarp over them to indicate fullness, but there isn't anything for Urns, so my suggestion is that when an urn is full they get a sort of cloth cap tied around the top or a lid of some sort. Really just a visual indicator would be helpful.