Safe material: The koi pond lining is made from a flexible, durable material with good softness and ductility. The 0.12 mm thickness provides antiUV and sunproof performance for long outdoor use. Protect pond: The black pond liner effectively blocks soil and water; prevents dirt from soil from entering the pond, helping maintain a clean and healthy living environment for fish, plants, and other pond life. Easy to cut: Durable and lightweight, this pond liner is easy to install and bend; it stretches at the corners to fit almost any pond shape and can be cut to fit irregular surfaces. Easy to use: The liner provides a flat surface for your garden pond. To increase its longevity, add a layer of round pebbles before laying the pond liner. Applications and use scenarios outdoor koi pond in a sunlit garden: Use this liner for longlasting UV resistance and reliable protection against soil intrusion, reducing maintenance. Irregular or custom pond shapes: The liner can be cut and stretched to fit complex contours and irregular surfaces, ensuring a snug, leakresistant fit. Ponds with soil debris or sediment: The black liner helps prevent dirty matter in the soil from entering the pond, keeping water clearer for fish and plants.