Mat: Stop mud in its tracks with one of these handy 'dirt grabber' doormats. Sizes: Valid in 10 sizes (see below). Five colours: Choose from grey, black, brown, navy and red. Non-slip design: Comes with a non-slip PVC underside. Hard wearing: Specially designed fibres aim to soak up moisture, mud and dirt. Practical: Ideal for mucky feet and paws! Heavy Duty Non-Slip Mat | Black | Living Social