Here is Ollie inside of hers:
It is just a regular small bird cage. If you're only wanting a carrier for short trips, like to the vet, I would probably recommend those like what Karen posted. The one I use for Ollie isn't really very "carry-friendly." It's bulky and a little heavy. I use it because we travel quite a bit, and often stay away for the whole weekend. This cage is one that she can stay in comfortably for several days at a time.