Our triple-laminated solid covers are woven extra tight to resist tearing and coated with an extra-thick, non-rotting polyethylene for durability. Lightweight and easy to work with, they protect your pool from dirt, leaves and contaminating sunlight. They are the perfect size approximately 5 ft larger than pool to accommodate water drop without creating extra slack that could result in wind damage. Choose the weave that best accommodates your winter conditions and your budget. Unbeatable value.