The Swimline Round Swirl Bottom Overlap Pool Liner are made using the unique Lamiclear™ Process for maximum protection from pool chemicals and the sun's damaging UV rays. Constructed of standard and heavy gauge vinyl, our liners will last longer and maintain their beautiful appearance for years. Strong, double-welded seams will withstand winter's worst. Liners will fit either a 48-inch or 52-inch sidewall. About SplashNet Xpress SplashNet Xpress is dedicated to providing consumers with safe, high-quality pool products delivered in a fast and friendly manner. While it's adding new product lines all the time, SplashNet Xpress already handles pool maintenance items, toys and games, cleaning and maintenance devices, solar products, and aboveground pools. Provides maximum chemical and UV protection. Vinyl construction. Strong, double-welded seams. Fits 48- or 52-inch deep pools. Available in a variety of sizes.