Upside Down Rubber Mat is a unique kind of mat for making your foots dirt free. The mat has a specialty as the name indicates. Its upside just seems like the bottom side of normal mats. And this character helps to wipe out the dust more effectively and efficiently. It feels like a slight rough softness in your foots and gives the grip in floor. The mat is also printed with the word "Enter the Upside Down"! You can use it as a gym or workout mat too, because it is a rubber mat which helps to improve your blood circulation through your body.