It is 1m 23 cm x 38 high x 37 deep its not as deep as I'd of liked but its longer than I planned to make it when I was going to buy the stuff but father inlaw had loads of contiboard spare (so far it's cost nothing. The bedding stoppers are too big so I will be making them a little thinner and toys for the cage with a digging box in each level, one will be for my syrian and one for the two rc's will be covering the inside with pvc and siliconing all internal edges tomorrow