Blue Wave Bronze 20 ft x 40 ft Rectangular Winter In Ground Pool Cover Blocks Debris Sunlight with 8Year Protection for OffSeason With Solid Polyethylene Shield 4 ft Overlap Cable Winch

8YEAR RECTANGULAR INGROUND WINTER COVER Designed for inground rectangular pools this inground pool cover provides reliable seasonlong protection Durable polyethylene construction offers strength and a solid barrier against winter elements PROTECTS POOL FROM SUN SNOW DEBRIS The solid design of this rectangle pool cover keeps out leaves dirt and other debris while the black underside reduces algae growth by limiting sunlight exposure Perfect for maintaining pool cleanliness DURABLE MATERIALS HEATSEALED SEAMS Built with a rugged 7x7 scrim count and precision heatsealed seams this rectangular pool cover resists tearing sun damage and harsh winter weather helping extend its lifespan over multiple seasons 4FT OVERLAP FOR A SECURE FIT The overlap design allows the pool winter cover to be securely fastened while minimizing stretching Metal grommets with steel cable and locking winch are placed every 2 feet for even tension and easy installation 4FT OVERLAP FOR A SECURE FIT The overlap design allows the pool winter cover to be securely fastened while minimizing stretching Metal grommets with steel cable and locking winch are placed every 2 feet for even tension and easy installation Pool size 20 feet x 40 feet Cover size 25 feet x 45 feet Number of 8Feet water tubes needed 16 Integral cover loops to secure water tubes 5 foot overlap to ensure there is no stretching or ripping.