Uni-Bead Mystri Gold Print Series 2500 Liner: Wall Height 52" or 54" Make sure you are ordering the correct, specific wall height for your swimming pool. Our premium Uni-Bead Liners have two convenient features. 1. You can hook the liner to the rim of your swimming pool wall or, 2. If your pool has a bead receiver track, you simply remove the j-hook part of the liner and snap the liner into place.  To shop for beaded track, click HERE. An overlap liner can easily be replaced with a uni-bead liner. American Made Strong Double Welded Seams 2500 Series Material For Above Ground Pools 52" or 54" Cold Weather Crack Resistant