• Economy winter above ground pool covers feature heavy-duty polyethylene construction. • Features an 8 x 6 filament scrim for a tightly woven winter pool cover. • Double stitched borders around the entire edge of the pool cover enhance durability; prevents ripping from high winds. • Rust-proof, stamped aluminum grommets allow the cover cable to run tight without stress on the cover edge. • UV inhibitors protect all of our above ground winter pool covers from sunlight degradation. • All of our economy above ground pool covers include a vinyl coated braided steel cable and winch for easy installation. • Discount winter above ground pool covers are navy blue in color with a black underside to inhibit algae growth. • Affordably priced for budget-friendly above ground pool winterization.