Product details:
Protect your pool with this winter cover from Robelle for above-ground round pools. Featuring a three-foot overlap, this protector provides ample coverage to allow it to float on the pool surface without stress. Enjoy easy installation of your cover using the winch and cable provided. Keep your pool free from falling leaves, bugs and other debris with this economy pool cover. Prevent algae growth in your pool with this solid polyethylene cover that features a black underside to stop light penetration. The top side of this durable pool cover is coated to protect it from harmful UV rays. 7 x 7 scrim (threads per square inch) Polyethylene material weighs 2.2 ounces per square yard Includes winch and cable for easy installation Robelle 3646-Round pool cover Polyethylene cover available in navy or azure blue Available in a range of sizes to fit pools from 12' to 30' diameter Weight of cover varies with size from 4 to 16 pounds Size 21'.