Per the Cardinals website, the Champions Club is a private seating area above the field boxes in left field. Tickets for the Champions Club are sold individually. Ticket holders receive...

A 3 hour, all you can eat buffet that includes action and carving stations.
Exclusive access to indoor Club lounge featuring nearly 30 flat screen TVs.
2 full service bar areas that include Budweiser, Bud Light, Bud Select, wine, mixed drinks and Coca-Cola products.

Private entrances and restrooms.
Buffet and bar service begins 1 1/2 hours prior to the scheduled game time. The bar service is available throughout the game.

Reserved outdoor seating.