I have two sets of the 8 panel Large Clean Living Playpen (from Petsmart) hooked together and set up in front of the cages. It has an opening (on each 8-panel set) so I can attach it to the cage, set up a ramp, and let the girls go in and out as they please. No more catching and bringing them to the bathroom
. It's a fairly large play area, I set up my own toys, various tubes, a cardboard castle, a playset with wood chews, and any of us humans that serve as jumping platforms of course. I don't have a cover that would be large enough for the 16 panels so I always supervise and watch for any chins that might be spunky enough to make it over the gate (so far that is just one of my five LOL). I love it, the chins love it, and it's super convenient for me.