My son just showed me these and I had to order one for my Cruiser project.
I got the decal here:
http://tdcdecals.com/Zombie-Outbreak-Response-Team-Vinyl-Decal-Sticker-P1351189.aspx
Several sizes and colors available.

I got the decal here:
http://tdcdecals.com/Zombie-Outbreak-Response-Team-Vinyl-Decal-Sticker-P1351189.aspx
Several sizes and colors available.