Welcome to the Magical Envelope Labeling Disasters subcategory, where the art of labeling envelopes has gone horribly wrong.
When you try to label an envelope with a magic marker, the ink bleeds into the surrounding area, causing a colorful mess.
It's not just the ink, though. The marker's magic has caused the envelope to grow a sentient personality, refusing to be mailed.
Learn more about the sentient envelope.