I am with Crowleysridgegirl -if you use something to shine the mats up, you may end up with a slippery problem, especially if they get wet with urine.

If you must get them sparkly, what about those spray foam tire shine products?  My daughter and I spent about 2 hours Saturday washing the truck and trailer. The finishing touch was using that spray foam on the tires. You just spray it and let it dry. It made the tires look like they just came out of the showroom. (my daughter, however, though this was utterly and completely pointless,, why bother?

Whatever you decide to try, please just try a spot in a corner and see if it makes the mat too slippery. I'd hate to jeopardize the horse's safety for the sake of shiny floor mats!

I know that "need" to really spiff it up, though. After my daughter and I spent all that time on Saturday with the pressure washer, brushes, brooms, rags, special detergent inside and out on both the truck and the trailer, they both sparkled like new. Then Sunday, we put my daughter's pony in, followed by my friend's gelding. The trailer was gleaming!

 Instant heat cycle with the pony mare.

 Then we proceeded with a 3-hour drive to horse camp and encountered miles of construction! The dust was so bad that I had to turn my headlights on to make sure I could be seen by oncoming traffic.

The bumpy ride and noises must have made them both nervous because when we arrived at our destination, it looked like they'd been in that trailer for 3 days. Poop and pee EVERYWHERE! I didn't know two horses could make such a mess.

Then on the way back last night, the bugs were thick as a snowstorm.

Needless to say our shiny truck and trailer looked like hell when we returned home last night. I left my daughter at camp, so I guess I am on my own today cleaning up. I wish I took a picture before we left!

NOt to get off topic, but the worst part of my "trip from hell" was that I, in my desire to not repeat that bumpy ride back, chose an alternative route - A winding but pleasant country road that takes you through the hills and around some lakes.  However, tis the season of road construction in Maine, and on the return trip with the poor gelding in the trailer, hit a full TEN MILES of construction. Much less dusty, but every bit as bumpy. Of course, it was well after dark when I finally pulled into my yard.

I'm surprised my friend's horse is still on speaking terms with her!

Thanks for the suggestions, although after the trailer ride from heck, sounds like I might just drive the trailer around without the horses in it so it doesn't get dirty!!!  :-)

Jbsny