Keep leaves and other debris from falling into your pool with this cover Intended for use on a 11' steel frame pool Rope ties help keep the cover in place Holes in the center of the cover allow for water drainage Please note: Listing is for the cover only, pool not included Dimensions: 11.6' diameter less overhang Total dimensions: including overhang 12.3' diameter Material(s): vinyl / rope Note:cover is designed for Jilong pools, may not be compatible with other brands