Our Super Duty Winter Cover is a reliable above ground pool cover that can withstand cold climates during the winter months. Made of durable woven polyethylene fabric, this winter pool cover will withstand bitter cold conditions. Added 4-foot overlap for installation after the water level has been lowered. Comes with sturdy winch and coated metal cable. Our winter pool covers are UV-protected and constructed of an extremely tight weave fabric for resistance of damaging sun rays. This cover ensures a proper fit so that you will have a crystal clear pool by spring. The quality and durability of this winter pool cover ensures it can withstand the elements without stretching or tearing. The seams on this winter cover are reinforced with extra stitching to prevent water contamination from other sources. Spend more time enjoying your pool this spring and less time cleaning it.