Design a Banner (Flex Board)

I need flex board for my retail outlet. Need the design for those flex boards. I have designed it a bit with the help of my designer but its not satisfactory. Need something that is attractive but subtle and elegant too! Please help me out with a nice innovative design for my flex boards.
We are into printing business.Provide printing services like Xerox, printouts, binding, lamination, ID cards etc.

Thanks