Fit for 18x33 ft Pools: Our pool liner is specially measured to fit 18 x 33 ft oval pools with a flat bottom and wall height of up to 52 inches, ensuring an exact and secure fit for your pool. Above-Goval Pool Liner: This vinyl pool liner adds a soft cushioning layer to the bottom of your pool, providing a smooth, comfortable surface for walking. It helps protect your feet and elbows while reducing the risk of injury, making it a pleasant experience for all. Easy Installation & Maintenance: Installing this swimming pool liner is simple and hassle-free, whether you choose to use J-hooks or standard beading installation. (Note: additional accessories are needed for installation. Before use, its recommended to air dry the liner at room temperature for several hours to restore its softness.) High-Quality & Durable Construction: Made from strong, smooth vinyl, this avove goval pool liner offers superior protection for your pool