Self adhesive vinyl... thats whats on my 125.
http://www.aquariacentral.com/forums/showthread.php?t=134159&page=4
You could paint it with latex paint, and peel it off later if you wanted to...
http://www.aquariacentral.com/forums/showthread.php?t=134159&page=4
You could paint it with latex paint, and peel it off later if you wanted to...