Pool Mate 30-ft x 30-ft Premium Polyethylene Winter Round Pool Cover

30-ft x 30-ft Premium Polyethylene Winter Round Pool Cover. Pool Size: 30 Foot Round - Cover Size: 34 Feet (includes overlap in total). Winter pool cover to be used with traditional above ground swimming pools - Solid material will not let water pass through. Premium grade polyethylene material with perimeter binding - All seams are heat sealed for better performance