Carlisle's 45 mil Fish-Friendly EPDM AquaTough Rubber Pond Liners combine design flexibility, long-term durability and easy installation, making them an ideal choice for a variety of waterscape applications, including:. Koi ponds. Water gardens. Pondless water features. Streams. Waterfalls. Decorative ponds. Fountains Item / Liner Size / Pond Size 24" Deep / Carlisle 10' x 15' AquaTough 45 mil EPDM Pond Liner / 10' x 15' 

Durable EPDM Rubber - Easy to Install - Black - Koi Fish and Plant Friendly - Resists UV