Dimentions Round 12 ft. (3.66 m) | 24 ft. (7.32 m) 15 ft. (4.57 m) | 27 ft. (8.23 m) 18 ft. (5.49 m) | 30 ft. (9.14 m) 21 ft. (6.40 m) Oval 12 ft. x 23 ft. (3.66 m x 7.11 m) 15 ft. x 26 ft. (4.57 m x 7.92 m) 15 ft. x 30 ft. (4.57 m x 9.14 m) 18 ft. x 33 ft. (5.49 m x 10.16 m) Key Features: 8-inch injection-molded top ledge Incorporated multi-ribbed supports for optimum stability Features a sophisticated-looking metallic logo Two-color contrast provides incredible style 6-inch injection-molded upright, with extra depth for greater stability Three-dimensional injection molding means greater detail and solidity Stylish metallic ring at the top of the upright Resin wall channel at both the top and the bottom Smooth, undulated shape increases pool strength Larger support tab for greater stability Built-in drainage slot prevents wall corrosion Wall clip permits stability despite ground changes Upper joiner plate screws to top ledge and upright using a simple top-down system Oversized upper joiner plate ensures greater stability for top ledge Perfectly fitting and locking parts Upper plate in a complementary shade to top ledge for contrast and style Bottom joiner plate attaches to uprights using a snap-in system, no hardware required Smooth, quick installation into upright Made of resin: solid and corrosion-proof Invisible lateral supports on the oval models 30-year warranty: 5 full years and 25 years at 50%