Re: Super Pet My First Home 2' x 2' Ferret Cage 3-
I've heard decent things about this cage, but I've never had one myself. I'm not personally a fan of any of those big Super Pet cages though, because the doors are too small, in my opinion.
As for the bar spacing, it depends on how big your girls are. I had a different Super Pet ferret cage with 1" spacing, and my 4 month old girl couldn't get out - but my 8-ish month old could (her head is much more streamlined). I think to be safe, it would be better to just get a cage with smaller spacing, or one that could be easily covered.