Expandable Pool Liners are designed for pools up to 72 in. deep. Our premium Overlap Liners are made using the unique Lamiclear Process for maximum protection from pool chemicals and the sun"s damaging U.V. 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. Perfect for replacing Doughboy expandable pool liners. Our liners are so rugged, they are backed by a 15-Year Warranty.