There is no reason they can't be stacked from a strength standpoint. They might be a bit tippy so you should consider some means to connect them. Also to consider, once you stack one on the other, the opening and space between the bottom of the upper and the pad on the lower one is going to be fairly slim. I'm sure a cat can get in, the question is would the cat feel safe in that confined space.
answered 2 months, 4 weeks ago
New Age 3
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