Inflatable boat *1100D Hypalon;1000D PVC *3-year warranty *corrosion resistance, anti-aging, and tight adhesiveness ... tightness under 0.3bar pressure of work, this buoyancy tube, boat inside keel and floor have close combination, which makes inflatable boat enough ... of fabric, corrosion resistance, anti-aging, and tight adhesiveness, inflatable boat is available five to eight years in the correct use ...