Overlap pool liners will require pool liner coping strips for installation. Fits flat bottom pools with 48" or 52" side walls. Arrival time will depend on your location. If you have any questions, feel free to ask. Weight:67SCID:79676Dimension:14.000x7.000X40.000.The item "Swimline LI2148SB Overlap Swirl Bottom Aboveground Liner for 21' Round Pool" is in sale since Saturday, February 29, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Liners".281" and is located in Hauppauge, New York. This item can be shipped to United States.