This Aquacover solid winter cover will protect your pool from the wear and tear of freezing winter weather and eliminate costly maintenance and spring cleanup. This cover is Lightweight which makes it easier to put on and take off the pool than heavier, bulkier vinyl covers. It also takes up less room to store. This cover is made from tough polyethylene fabric which is the toughest, most durable material available. Hold-Tite reinforced seams lasts longer and It won't rip, fray or come apart. Double folded self edge, double stitched with water, chemical and sun resistant thread. These covers are UV stabilized to ensure your cover will last for-years. It comes with 7-year/1-year limited manufacturer warranty.