it's on the back. you have several options - if it doesn't wash out after two more tries in warm water.

#1 - ignore it. it's on the back

#2 - fuse or stitch another strip of something all the way around to cover it up

#3 - smack anybody who turns it over and comments

#4 - nail that sucker to the wall so you don't have to slap anybody.
who can afford bail this time of year?

:lol: :lol: :lol: :lol: :lol:

I would try soaking it overnightwith a little mild soap. then a regular washing.