This 3D river pebble stone vinyl pool liner is durable and beautiful! Our Pebble Valley 16 foot above ground swimming pool liner is the right choice for your backyard. It is made from high quality swimming pool vinyl that offers built in protection from the sun's UV rays and swimming pool chemicals. It's made with lap seam construction and state of the art seaming and comes in a vibrant, high definition 3D pattern! It fits 48", 52", & 54" pool walls. manufactured by Quality Pool Products and comes with a 25 year warranty. This product should be installed according to the instructions that are included with each purchase and you should inspect the liner carefully prior to installation. If you would like to view our return policy and the Warranty in full detail, please see our Seller Information page by clicking on our seller name, Shop the Great Backyard, then click on "detailed seller information."