My dog bent the bars and got out.. with that being said. I had to fix because it is awesome as far as storage of all dog things and more. I tried a a black sq 12 gauge hardware wire, she ate a hole in the wire and got out.. I ended up with 16 gauge on the metal doors. This has been a success!!! It's sturdy and she hasn't ever went for the wood portion. It stores all my girl's food, treats, toys, and all things grooming. I love this kennel now that she can't escape.