Keep your pool clean during the winter with the Dirt Defender Bronze Series Winter Pool Cover. This round pool cover offers exceptional strength and durability. The rugged polyethylene scrim and coating ensure that this above-ground pool cover can withstand winter"s worst. With UV-protection, this Dirt Defender Bronze Series Winter Pool Cover can last for years, even in direct sunlight. The round pool cover has a black underside that is algae-retardant with heat-sealed seams. This combination of protection provides a crystal clear pool when you remove the cover in the spring. The 4" overlap helps this round pool cover fit properly and makes it easier to use. The Dirt Defender Bronze Series Winter Pool Cover includes heavy-duty cable and a winch tightener to keep it secure all winter long. This round winter pool cover measures 30" across. Dirt Defender Bronze Series 30" Round Above Ground Winter Pool Cover: * Rugged polyethylene scrim and coating means this cover can withstand winter"s worst * Dirt Defender covers are UV-protected so they will last for years in direct sunlight * The cover"s black underside is algae-retardant, and heat-sealed seams mean a crystal clear pool next spring * The big 4" overlap ensures a proper fit for above ground pools unlike covers with 3" overlaps * Dirt Defender covers are held secure with a heavy duty cable and winch tightener that is anchored by rip-proof metal grommets * 8-year warranty (1-year fully rated)