Marpac Inflatable Vinyl Fender Kits include two fenders with rope to provide coverage for one side of the boat. The soft and non-abrasive fenders are ribbed on all sides for strength and durability, with reinforced rope holes on either side. Braided MFP fender lines are resistant to abrasion, mildew, oil & rot and can be stored wet. Inflation valve allolws air pressure flexibility.