Fit for 18ft Pools: This pool liner is specifically designed for 18ft round above-ground pools with a flat bottom and wall height up to 54 inches, ensuring a seamless and secure fit. Cushioned Comfort: The soft, smooth surface of this swimming pool liner adds a layer of comfort to the bottom of your pool, providing a safe, cushioned feel underfoot while also protecting your skin and joints from rough surfaces. Easy Installation & Maintenance: Installing this vinyl pool liner is a breeze! Simply drape it over your pool walls, leaving a 10cm overlap at the edges, and secure it in place. Its also easy to maintain, with a recommended pre-installation airing process to keep it soft and flexible. High-Quality & Durable Construction: Made from premium vinyl, this vinyl pool liner is designed to withstand chlorine, and harsh weather conditions. Its resistant to chlorine damage and punctures, ensuring long-lasting protection for your pool