Save on all of Hydropool.com's aboveground swimming pool liners. Get great deals on all overlap style liner patterns, including the standard blue, swirl bottom, sunlight, caribbean, and boulder swirl. Available in either a standard or heavy gauge, these overlap liners are built to last. The standard gauge liners come with a 15 year warranty, and the heavy gauge liners come with a 25 year warranty, so you know they will last a long time.