50 pounds plus of positive lift "Anti-spill" bottom with baffle to allow easy fill from any device and remains inflated until you empty it Overpressure relief valve with pull for manual release Rolls up to compact size and stays close
50 pounds plus of positive lift "Anti-spill" bottom with baffle to allow easy fill from any device and remains inflated until you empty it Overpressure relief valve with pull for manual release Rolls up to compact size and stays close