30 ft. x 50 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.