Swimline LI183352MGU25 Heavy Gauge Gold Coast 2500 Series 52-Inch Unibead Vinyl Pool Liner, Oval, 18-Feet by 33-Feet Heavy gauge gold coast 2500 series 52-inch universal beaded above ground pool liner Made of 100 percent virgin vinyl with super strong double welded seams for long winter and hot summers Unique Lamiclear process for maximum protection from pool chemicals and the sun's damaging UV rays Available in oval shape Measures 18-feet width by 33-feet length