Great for use as a mooring buoy or for marking crab traps and other gear Superior valve design, conveniently located in the rope eye for increased durability Single valve system for ease of inflation and deflation also helps prevent leaks and stripping Description These buoys are ideal for use as mooring buoys, fenders for your boat, or marking crab traps and other gear. Manufactured from the highest quality marine grade vinyl, these buoys feature an improved valve system for easy inflation and the prevention of leaks. Heavy-duty molded rope eyes feature a large radius, combining strength and stability with less wear and tear, even if you're using shackles.