How easy to remove pen from Novacheck

I got a pen mark on my wallet once. I took it to the Burberry store and they told me to scrub it with mild soap and a toothbrush. The novacheck material is pretty durable!
 
burberry material is pretty durable, like mentioned above if you use mild soap and a tooth brush it'll pretty much easily come off and dry it with a soft cloth and it should be fine