The Midwest ferret playpen has the same base as the kitten/cat model. I believe they still carry the model for cats. I hope that helps. On a sad note. My oldest girl, Chloe, has gone to the Rainbow Bridge to be with her brothers Murphy, Lenny, JoJo, and her sister Gracie Lou. I miss her terribly. She would have been 9 years old this September. She was a true girls girl. She never really liked any males of the human type. When I got her she was a silver sable, but turned all white in recent years. Bandit is still looking for her, but has his brothers to keep him occupied. Bridge Greeters please let her know how much I miss her kisses and snuggles. DiAnne, Bandit, Chris, Jack, Junior, and Bender [Posted in FML 6314]