Can most coolers double as a seat?

Yes, most coolers can handle sitting on them—but not all. Cheap Coleman or Igloo models with thin plastic walls will hold a typical adult (200–250 lbs) if you sit square on the lid, but the hinges or latches are the weak point. Rotomolded coolers like Yeti or RTIC are rated for 300–400+ lbs and work as boat seats. Watch for tipping on tall, narrow coolers and lid flex that can pop open. If you’re over 250 lbs or plan to bounce, get a rotomolded cooler or a dedicated camp seat.