Outdoor umbrella hanging hook with universal size design - features a screw thread fastening system to fit all umbrella poles within 1 1/2' in diameter Made of brand new plastic, more durable & sturdier than recycled material Adjustable Height - you could place the hook exactly where you want on the umbrella pole Tool-free & Fast Installation, just position the hook on the pole & fasten the screw to hold in place 4 Prongs for handing towels, hats, clothes, bags, sunglasses and more - ideal solution for holding your personal staff in place and preventing them from getting sandy, wet and dirty; Overall