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How to housebreak a dog using a crate
Pick a crate that is the right size.
A crate should be just big enough for your dog. If it's too small, your dog will be uncomfortable.

Select from:
[I] For more space, feel free to use bigger crates. Select crates that are a bit bigger so your dog can stand when you stand.
[II] If it's too big, your dog will have space to use the bathroom in the crate and still have a clean area. It should be big enough for your dog to sit up, stand up, lay down, and turn around, but no bigger.
[III] Choose a crate that is wide enough for your dog to stand and turn around in. That way, it doesn't have to be a toy crate just for your dog.
[IV] Larger crates are better suited for longer trips. You should always have heavy bags in the crate.
[II]