LinerWorld’s “Winter Warrior” mesh rectangle inground winter pool cover keeps your family and pool safe during the off-season. Keep unwanted debris and critters from getting into the swimming pool when it’s not in use. Available with or without a Center End Step option. Soft & tough material – tight, porous mesh. Comes with full installation kit – Anchors, Buckles, Springs, Screws, Tamper Tool, Wrench. Requires holes drilled for anchors. 2ft overlap for installation on your concrete. Requires 3ft of concrete decking around pool for proper installation.