Arctic Armor 12 ft x 20 ft Blue Mesh Safety Cover is a great way to keep your inground pool clean and healthy throughout the winter months, while virtually eliminating accidental drownings while in use. Its two-ply mesh construction gives this cover a break strength of 4,000 pounds, ensuring no one person can cause it to collapse. Its mesh construction also allows it to pass any rainwater or melting snow right into the pool, saving you time and money by not having to pump off any standing water. It comes with all the brass anchors and stainless steel springs to securely mount to your pool decking as well as the its installation tool and storage bag. Best of all, Arctic Armor 12 ft x 20 ft Blue Mesh Safety Cover is backed by a 12 year manufacturer's limited warranty, allowing you to buy with confidence.