18 ft. x 36 ft. Rectangle Blue Mesh In-Ground Safety Pool Cover, ASTM F1346 Certified

Safeguard your in ground pool and protect it from the harsh winter in one easy step with the Water Warden Mesh Pool Safety Cover. Features top-of-the-line, complete 2-ply strap webbing, for unparalleled strength. In addition, the fine, lightweight mesh allows rain to seep through into the pool but screens out leaves, twigs and other debris.