I have a dog crate/carrier that's barely been used that would fit a small-to-medium dog.
There are a few scratches in the bottom of it and the water bowl is a little chewed up on the corners but functionally it's good as new.
We used it for about a month for our dog (25lbs) but she did not like being locked up, so we gave up. We also have a 45lb dog and it's too tight for him (just to give an idea of the size of the crate
More photos (1):