This Robelle Mesh oval mesh winter cover features a 10 x 10 Scrim count (threads per square inch) and a material weight density of 3.1 ounces per square yard. The Gray/Black mesh material has been treated to inhibit damaging ultraviolet rays. Made of polyethylene, this exceptional quality above ground winter pool cover has a 3-ft overlap, allowing the cover to be used on above ground pools with top rails up to 6 inches wide. There are 2 grommets approximately every 4 feet for the use of a cable to secure the winter cover. A plastic-coated cable and winch are included. The overall size of this cover is 24' Diameter. It is designed for oval above ground pool. All Robelle Mesh winter pool covers come with a 10-year warranty.