Laminated plastic sheet for sign making

Looking for plastic sheets that are laminated with different colors. I would use them for sign making so maybe 1/4 to 3/8" thick and 48"x96"

http://www.kingplastic.com/products/king-colorcore/

Thanks I checked it out a.s

To handle

Thanks I checked them out and I think it will work. I want to try making some custom mud flaps for a semi hopefully this will work. thanks