Swimline uses computerized cutting tables and a computer aided design to make their liners, eliminating the risk of human error. Whether it's design, pattern or fit, these quality liners are unbeatable. Manufactured for pools with a wall height of 52. Made with heavy grade 25 gauge premium virgin vinyl.Crack resistant in cold weather climates. Super strong double welded lap seams. Maximum protection from the sun's U. Constructed with the most advanced manufacturing process in the industry. The item "52 UNI-BEAD Above Ground Swimming Pool Liners 25 GAUGE Mystri Gold CHOOSE SIZE" is in sale since Saturday, May 25, 2013. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Liners". The seller is "poolfactoryny" and is located in Brooklyn, New York. This item can be shipped to United States.