New Age Pet ERH305 ecoFLEX Columbia Rabbit Hutch, Grey Made with ecoFLEX making the Fontana very durable and problem free Two separate living areas; Upper level has closed-off area to allows a rabbit's burrowing instinct; Lower level allows access to grass Uses 1/2" x 1/2" galvanized wire Roof tilts up for easy cleaning Easy to assemble with no tools