Don't by this it's rubbish.I bought this 1 week ago I have degus within the cage (like it states it's for) and they have chewed through the poor quality wood, it's not thick enough for rodents, who encase the makers haven't realized like to chew things.
The cage itself was not treated and is already starting to rot, it doesn't say that it isn't treated anywhere, so i just built it without realizing this, only to find out when I came to clean it out that it was rotting down the back.
Another thing was that the when the different parts of wood had been smoothed, they didn't blow the very fine splints of sharp wooden dust, so I had to brush off everything to enable the cage to be safe enough for the degus. Things like that could blind them.
One final problem was that parts of the wood frame had splits in them and the one part already assembled- the base frame, had come apart so I had to hammer the wood back together.
There's only one positive about this cage and that's it's appearance, however it's not fit for it's purpose. I would have sent it back however the price to do that wouldn't have been worth it.
DON'T WASTE YOUR MONEY!