These were great. I bought four to use for moving my chickens and they worked perfectly. They are well made and easy to clean afterwards. The only drawback is that the bedding I put on the bottom is easy to come out the sides. It would be nice if there was 2 inches or so of a closed bottom to keep it in.
They don't fit super well in the RentACoop travel crates that I bought them to go with. It was hard to fill them as they are pretty much the same height as the crate's roof. Also the wire holders that I purchased separately, that were suggested to buy with them, didn't fit the crates either so I had to return them. They are made well though so that is a plus.