Uniquely designed and engineered to fit above ground pools built for over-lap liners or that pools that have a bead receiver. This Emerald Tile pattern has the look of an in ground pool. The virgin vinyl material used to produce this liner incorporates UV and algae inhibitors. The lap welded seams sealing the 20 gauge material together is the finest in the industry. Made for pools with 52” and 54” walls and constant depth floors.