I found this on Ebay. New Pizza Bags Cheap.....keep your box warm. I pulled the trigger on one of them. It looks that they will put your logo on it for $4.00
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=7525852239&ssPageName=STRK:MEWA:IT
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=7525852239&ssPageName=STRK:MEWA:IT