21 ft Round Winter Pool Cover with Cable and Winch,Premium Heavy-Duty Above Ground Pool Cover|Tear-Proof|UV-Resistant|Reinforced Edges|Waterproof & Dustproof|Against Falling Leaves Round Pool Cover

Heavy-Duty Durability: 21 ft round winter pool cover crafted with premium materials and engineered with an industry-leading 16 x 16 scrim count and a density of 220g/m²,our above ground pool covers are built to withstand the harshest of winters as -10°F (-25°C) and as hot as 180°F (80°C).The extra high-density polypropylene fiber sealing seams effectively keep debris out,ensuring long-lasting protection for your pool Extra Durable & Tear Resistant:Winter above ground pool cover has latest industry-leading technology,is made of strong tear thickened resistant extra dense PE fabric,that anti-tensile is twice times as strong as ordinary pool cover materials, is stronger than other traditional 500D polyethylene materials.Upgrade the surface of pool cover by covering it with LDPE coating,Which protects against 99.8% of UV radiation,prevents rainwater from flowing into pool,reduce pool water maintenance costs Reinforced Edges & Secure Tie-Downs:Different from other pool covers on the market,our winter pool cover designed with double rows of holes -39in(Between two neighboring holes is 3.39 inches),greatly increased increases the number of grommets and upgrades to tear-proof design.Double rows of tear-resistant holes can ensure that the cover is solidly attached to the pool,providing multiple protections for your pool,ensuring the safety and long lasting use of your pool Quick Installation and Removal Pool Cover：No need for any fiddly steps and pool cover fixing fittings!Installation and removal in one step. Easy to use! Our innovative ratchet tensioner tightening design on the pool cover,helps users use the pool more easily,efficiently and get a good tightening effect.The included steel core cable just matches the circumference of our pool cover and fits perfectly around the circumference of your pool Choose the Right Size:This round winter cover for above ground pool actual size is 25 foot,universal fit for above-ground swimming pool size up to 21 ft. This extra 4 ft extended overlap is make sure cover can totally cover pool,which leaves room for cover the pool to ensure a tight fit. The pool can be completely protected from various factors, debris, fallen leaves, heavy rain and heavy snow ›See more product details ›See more product details