Wall Mart sells RV patio mats that are the same types sold at any RV dealership parts store and they are a lot cheaper, and the same stuff they are made from.
They are a vinyl fabric that resembles a straw mat. They are very durable and do not hold water.
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We had 3 of these (from Wall Mart) for over 10 years. When we got our Montana High Country with a rear door on the opposite side, I cut one up into 3rds to make runners that would work on the opposite side of the trailer. The other 2 worked great on the front side. Placing them together afforded a lot of latitude in how they needed to be arranged. Often times, we'd use one at the door steps and the other one under our quick shade. Or if the sun was shining in uncomfortable angles, we could position the quick shades against the awning, move the mats and have the entire shaded area still on the mats.
This last fall, right before Wall Mart put up most of their seasonal camping equipment, we snatched up 2 new ones (the brown ones in the link above). I didn't have the heart to toss out the old ones. I gave one of the old ones away, and still have the one cut in 1/3rds and one of the blue old ones, and the 2 new brown. I just don't have the heart to throw out the old ones. They still have good life left in them.
To clean them, especially when they are on top of wet mud, is to simply wait for the dew in the morning to hit the grass. Simply grab a corner and walk them over the dewy grass, dragging them. When you reach the end of your walk area, grab the opposite corner, let the rug fold over itself and then simply walk around and the let grass clean off the other side. This works very, very, very well. No need to sweep or use a leave blower, or anything like that. The dewy grass washes off any mud, flipping them over removes any dirt, leaves, or loose stuff on the top side. They are strong, endure, and still look stylish ... even after 10 years of constant use!
An odd campsite where we used one of the 1/3 cuts as a runner, you can see the full one farther down:
One of the new brown ones we used, only by itself. No need to have a bigger one, or put out the second one at this site. In this case, the single one by itself worked out just fine:
This was a photo taken at home. The normal door side is too close to the bushes to put the mat out. But it worked wonderful under the fifth wheel over hang and under the quick shade. A bigger mat would have been TOO big.
Here's a set-up we did at a campground that discouraged placing mats on the grass. No one complained about us doing it this way. This was one of the new brown ones. We actually left part of it folded up to make it smaller.
Here's one where we had an old one out (blue) and the new one (brown). We actually left a space between the two. The configuration of the site just called for leaving a gap between them.
Here's one where we used the mats on the back side of the camper, but not at the steps. Yea, we had our grandson with us and the blow up swimming pool. This worked really great! The mats were priceless for this arrangement:
Here's one where both mats were separate. Also, here's a photo of our picnic table shade. (that's another whole topic by itself. Combined with the awning, the picnic table shade and the ability to separate the mats, we had a very comfortable arrangement.
Sometimes there is a need for NO mat. This is the opposite side of the camper:
The 1/3rd runners on the opposite side:
Another time we used both the old and new together as one ground covering.
Bottom line:
1) Wall Mart ... really cheap prices compared to other sources
2) Good, durable, and long lasting mats that will last you 10 or many more years of constant use
3) Easy to clean, dry, fold, and stow away (very easy)
4) Not heavy at all.
5) Bigger is not necessarily better, 2 smaller ones you can put side-by-side give you more variety how to arrange them. Plus smaller is easier to clean and stow away.
Well,.... that's my suggestion.