We have had anywhere from 4-6 people piled on this thing.  I bought it for the kids to use in the basement, but every time I put it down there, it made it's way back up to the family room.  The family room has a gorgeous cream leather sectional sofa that sits vacant while the kids and I pile on this giant orange bean bag!  I should mention it's been 2 years with kids (8, 13 and 15) jumping on it and I've had no issues with durability.   :) 

Pros: Cushy, Takes abuse well, Seats many (if you like to be close), Big
Cons: Big