Welcome to BIG CHAIR country Indoff is the largest single source for bariatric chairs in the Unites States. Here's the rule: basic chairs are engineered to seat a person weighing no more than 250 pounds. What does that mean for the rest of us? Where can you buy a chair that's rated for more than 250 pounds? Indoff. Take a look at these ratings. The Boss chair has excellent lower back support. The seat pan dimensions will vary with each brand. Speak to your local Ergonomist - or call today - for free assistance in selecting a chair. Pick a chair to start and call us -- we'll talk more. It's as simple as that.