here is a pic of my ig cage that I built over a year ago for my iguana. might give you an idea. the cage is 2 feet deep by 4 feet long and 4 feet high...its not to high because my iguana has only 2 paws with claws and only one fuctioning leg so I didnt make it to high. I'm going to have to upgrade this one when he gets bigger but it wont be for a while. *note* there is no more saw dust at the bottom I took it out ages ago to make sure of no impaction. its repti carpet now.