The Pool Mate Extreme-Mesh Above-Ground Winter Cover stands tough against winter conditions. The Extreme-Mesh cover is ideal for pools in climates with high precipitation as it prevents water and debris from collecting on top of the cover. This pool cover is perfect for families because the mesh design requires less winter maintenance than solid covers. The reinforced binding ensures lasting durability. The Extreme-Mesh cover features a 4-foot overlap making it easy to install. Grommets are placed every 4 feet and should be used with the included cable and winch. The Pool Mate Extreme-Mesh Above-Ground pool cover comes with a 15 year warranty.