Enjoy an uninterrupted pool time during winters with the super guard winter pool cover. Dark-hued, it offers cleanliness and prevents your pool from unwanted waste. This cover is a must-have for a neat and organized pool. Details: Black 18ft. x 24. For use with 15ft. x 21ft. above ground pools Includes vinyl clad steel cable and cable winch UV stabilized polyethylene/vinyl Recommended for outdoor use only