subject: Please don't go stacking your car floor mats! [print this page] So quite simply, you can achieve the effect you need, without putting yourself ( and your passengers ) at risk. The whole floor mats market has improved drastically over the past several years, making it pretty easy to keep dry and comfortable. And SAFE! Who could ask for more than that?!!! Take a quick walk through the aftermarket auto accessories web stores out there, and do a little shopping. Go with a manufacturer with a solid reputation ( read the reviews ) and go for a good high quality product. Your safety is worth the extra pennies, believe me! And so is the safety of your sweetie, your children, or your friends.