Klymit V Seat, Lightweight Inflatable Travel Cushion, Best for Camping, Bleachers, or Glassing Pad , Gray Klymit V Inflatable Seat Cushions. These versatile bleacher seats make excellent kayak seats, boat cushions, and picnic table seat cushions, all while striking the perfect balance between portability and comfort. These stadium cushions provide 14 by 14 inches of padding when inflated and compress down to just 3.5 by 1.5 inches, about the size of a lighter, when deflated, so they're easy to toss into your backpack.