I threw out those heavy RV mats years ago. They get dirty, stinky and wet and are 'real' hard to fold to put into the bays.
I went to the store and bought shade cloth. Comes by the yard. You can buy enough to run the entire length of your RV is you want. For tent stakes with flat washer and it isn't going to move. Mine survived a tornado going thru the CG. Stayed right where I put it! :B
Water goes right thru so you don't slip like on the RV mat. IMHO looks nicer and the best part is it fold ups into a 12 inch square when you are ready to stow it away. If you have to hose it down before you leave it air dries in minutes so you aren't putting a stinky wet mat in your MH.
Just my