Inflatable fender for a boat

An inflatable fender for a boat, comprising an enclosure mounted on or in the boat hull and connectible to a fluid supply, an inflatable flexible member in the form of a flat tube rolled around a first roller mounted within the enclosure and the fluid supply being connectable to the tube to inflate the tube, the tube extending from the enclosure when inflated, and drive means being provided to rotate the roller to retract the tube when not required, the fluid supply being arranged to allow the fluid to withdraw from the tube as the tube is rolled on to the roller wherein the enclosure incorporates a secondary roller provided adjacent to the first roller to press on to the tube rolled therearound, such that, on inflation, the tube extends from between the first roller and the secondary roller and causes the tube to unroll from the roller.