From the manufacturer:
The Reflexite GP010 is also available through Reflexite's distributor,
Rockywoods Fabrics,
http://www.rockywoods.com/
The contact is Jared Szmyd, 970-663-6163.
Please get in touch with Rockywood Fabrics to get the material that you need, and good luck in the competition!
I have posted a link to the order form
here
It's $ 229.60 plus freight.