Medium Dirty Dog Doormat Brown 31x20 The Dirty Dog Doormat from Dog Gone Smart soaks up mud and dirt, so the MESS stays in the MAT keeping floors clean & dry! Our Advanced Microfiber Technology traps water and mud instantly! Millions of soft microfiber strands create an extra large super-sponge. For use just about anywhere! It's more than just a doormat-for use in cars, crates and under food and water bowls! Protect your floors, furniture and car seats from unwanted hair, dirt and slobber! Super absorbent material, 50 percent more microfibers, plush and velvety soft, soaks up to 7 times its weight in water and mud, dries 5 times faster than ordinary door mats, super gripper backing, machine washable.