VooDoo's website has a bunch of high-quality pics of the bag:
http://www.voodoodiscgolf.com/index.php?option=com_virtuemart&Itemid=40
It says it will hold "18-21 discs." This is an understatement; you could easily fit 25+ (drivers) in the main compartment and 4+ discs in EACH side pocket and still have room for 4 beers and anything else you carry for a round (perhaps more beers).