PolarShield brings you high quality pool covers and winterizing accessories to keep your pool protected throughout the winter season. Exclusive to PoolSupplyWorld, PolarShield offers a wide range of winter covers available for in-ground and above ground pools. Backed by the best warranty in the industry, PolarShield pool covers are built to last with their durable materials and reliable strength. Winterizing accessories by PolarShield come complete with what you need to ready your pool for the winter. With treatments like shock, algaecide, and stain and scale preventer, PolarShield also offers chemical kits for pools up to 30,000 gallons.