Wow the whole back just came right off? What's the length on this cage? I've got a stack of 3' and a stack of 4' from boaphile and only problem I've had is one of the acrylic doors has crazed really badly for some reason, but it didn't come like that and none of the other doors have. I don't have any sag or coming apart/leaking issues, my cages are 5-9? years old and used the whole time. But I could see them being too thin for large snakes. I've still got to order a full size cage for my RTB and have been looking at my options, I'd do two attached taller 4' cages if I went through him and it would be at the bottom of my stacks.