This is for a oval above ground pool 21feetx41feet and 52 inches tall this is a unibead style liner. The pattern is blue pebble boulder. This is brand new in an unopened box , just bought it last week.The item "Above ground pool liner" is in sale since Friday, September 30, 2016. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Liners". The seller is "7097brettm" and is located in Vermilion, Ohio. This item can be shipped to United States.