Living here in HOT sunny Florida, it is a no brainer that you need to protect your car's exterior with a good cover. You should also protect your interior dashboard with a cover. Most folks use a simple sun screen during the day. But parking in the sun for a few hours with a car cover on and sun-screen, the inside temperature can still easily go over 120 degrees. In searching for the perfect dashboard cover, I first decided to go with a Velour DashMat for about $55. The cover from DashMat came with all of the interior openings (AC vents) unbound. Just a bunch of raw cutouts in the material. I knew as soon as I saw this cover that it was going back in the box. For the price, this was a poor choice since it came with only two small tape strips, both located on the far drivers side. Nothing to secure the middle or the passengers side. Overall, not a good buy.
I later discovered the Sedona Suade cover from California Car Cover. For a little bit more money, this Sedona material looks a lot better in both fit and in overall workmanship. You sometimes do get what you pay for.