Inflatable Boat, Dinghy and Raft SealantInflatable Boat Sealant Kit Stops Slow Leaks! Inland Marine Sealant is specially formulated for use with inflatable boats, rafts and tow toys. This sealant forms a bond with the interior fabric of the inflatable, stopping or "sealing" slow leaks and preventing future leaks from developing. In one easy step, l..