I use this, might be a little small for your needs- but you can string multiple together. On my list of to-do’s is to fashion a low barrier that will allow the side of the RV to be one wall, and this opened up as the other three. I have a toy hauler and already use this as a single “wall” at the end of my garage to keep the little escape artist from getting on (and then jumping off) the deck.
https://www.chewy.com/frisco-dog-exe...ough/dp/125048
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