Mini Thins....are they a good epedra/caffiene supplement

I was looking at mini thins on ebay. It is basically caffiene and ephedra. For like 30 bucks, you get about 450 tabs (i have no idea how long it lasts) Does anyone know anything about it?

Look at the url below if you want to get a look.

http://cgi.ebay.com/ws/eBayISAPI.dll...EBWA%3AIT&rd=1

whats the amount in mg of caffeine and ephedrine per serving and what is the serving size?