11.5' x 13' 45mil EPDM Pond LinerOur 45 mil EPDM pond liner is made from trusted, high quality synthetic rubberbuilt to deliver long lasting waterproof protection for ponds and water gardens. This durable rubber liner for ponds is designed to withstand the test of time, offering excellent resistance to UV exposure, weather, and heavy outdoor use. Ideal for water gardens and backyard ponds, this pond liner garden solution is flexible enough to create a custom fit for irregular shapes