Solid Blue 2000 Round Expandable Overlap Pool Liner Size: 24' W x 60" D Will work up to 60" or 72" depth swimming pools. Please order ever size is needed for your pool. Swimming pool liner for above-ground pools with a dished out middle. Lap welded seams, reducing both lateral and vertical tension. Extra heavy Duty, 100% virgin vinyl material Protected against chemicals and UV fading Best cold crack resistance in the industry. 20 gauge liners are backed by a 20 year limited warranty.