Here is a steel grade with plenty of room to keep your dogs or cats comfortable. The Pet Gear “The Other Door” 4 Door Steel Crate requires no tools for set up. It has built-in wheels and handle, so you can easily move it from room to room. The base is insulated.
This dog crate measures 27 x 18.2 x 21.8 inches. You can find out more about it here.