A Unibead liner can replace an existing overlap liner or a standard beaded liner. Use a Unibead liner to replace an existing overlap liner by simply clipping it to the top of your pool wall using the integrated j-hook design, no coping strips necessary! To replace a standard beaded liner, easily remove the top j-hook portion to install it into your existing bead receiver track. Manufactured for pools with wall heights of 54. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Liners".The seller is "recreationalspecialtiesinc" and is located in this country: US. This item can be shipped to United States.