Well, one that I haven't seen people use, anyway. It looks exactly the same as the metal grids people use, but it's made with durable polypropylene plastic. AND it looks like a good deal, apart from shipping. It has a metal frame. I was searching for mesh grids online (where the company would deliver to the USA, or atleast Canada), when I came upon this. The cage would be open, so they can breath and I can access them easily. The connectors are different from the ones I had, but I think they'll work the same? If not, I do have zip ties. And do you think it's at all possible for the pigs to chew the plastic? If that's the case, I could always put the coroplast tray inside of the cage.
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They sell many colors of cubes. lol
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They sell many colors of cubes. lol