They make personalised doormats in a variety of sizes and styles.
You can choose from pre-printed designs
Or you can choose your own wording.
Personalised doormats are available for £29.95 and you can add up to 3 lines of text (maximum 12 characters per line). The mat is made from high quality PVC backer coir matting with the design printed in 5cm high black lettering.
I was sent the above doormat for the purpose of this review (it doesn't have a dirty mark on, just a drip of rainwater)