Large BMW mouse mat?

I'm looking for a mouse mat, would like it slightly larger than normal and a picture of my M3 on it, any ideas where I can get one in the UK?
Most online places only do standard sized...

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.