Leaf net to be used with a traditional pool cover - Makes removing leaves from your pool cover easy Pool Size: 18 x 33 Foot Oval - Net Size: 21 x 36 Feet (includes overlap in total) Extra heavy-duty perimeter binding - 3 foot overlap (Includes 3 feet of extra material beyond pool size, included in cover size above) Includes winch and cable, which should be used to secure the cover through the grommets - 5 Year Warranty Net should be able to sit on top of the winter cover -