Coping strips required for installation. Unique patterns not found anywhere else. Chemically treated to resist harmful UV rays. We try to answer all our questions as soon as possible.The item "27' Round Pegasus Devonport Above Ground Overlap Swimming Pool Liner" is in sale since Friday, May 1, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Liners". The seller is "westwoodpools" and is located in Westwood, New Jersey. This item can be shipped to United States.