The expansion size of the adult pool float is 48 inches x 48 inches (length x width), superior buoyancy can reach more than 250 pounds. High-quality PVC and polyester inner net, lightweight and easy to fold, easy to carry. Keeps you soaked in the water while floating. Much better support for the neck, arms, and calves than you found in any other float. The inner net is fully fixed on the inflatable float tube, no worry about the inner net falling off, which is safer and more assured. Four independent quick valves allow for quick inflation and deflation. deflation is easier.