Every above-ground swimming pool requires a protective liner. Upgrade your overlap-style pool with this premium designer pattern! Constructed of top-quality heavy gauge vinyl, this unique J-Hook or uni-bead pool liner fits on both overlap and beaded type pools! Easier to install than overlap liner, the J-Hook simply slips over the top of your pool wall and hangs straight and securely into your pool. The heavy gauge Rolling Rock Uni-Bead Liner is loaded with U.V. inhibitors for long-lasting beauty. In fact, this rugged protective vinyl lining is backed by the manufacturer's 25-year warranty! Make a splash this summer with the dazzling color and refreshing design of the Rolling Rock Uni-Bead Liner.