This Pet Crate is roomy and works well for my dog's needs.  Bad if the dog is really intelligent and can open the lock. He is a minature American Eskimo Spitz.  I had to buy hardware to keep door from opening when he planned his escapes.  That was another $20.00.  The lock is a slide lock but the bolt is too short.Could not send back because I needed it right away because we were going on vacation.Only buy if you have an average kind of dog who has no curiosity!