quality material: The pond liner is made of HDPE. Our HDPE formulation provides waterproofing and leak resistance compared with other HDPE materials. It resists tears and punctures from sharp stones, helping you retain pond water. Thick and durable: 0.12 mm (5 mil) thick. Offers tear and puncture resistance; designed to withstand uneven pond bases or plant roots without damage. Strong water resistance helps prevent leaks. Easy to cut and fit: Durable yet lightweight, this pond liner is easy to install and fold. It can be stretched around corners to fit almost any pond shape. You can cut it to size to fit irregular surfaces. Provides protection and keeps water clean: This liner helps prevent substances in the soil from entering the pond, supporting a clean, healthy environment for wildlife and plants. It also makes pond maintenance easier. 23 practical use scenarios Backyard koi or decorative pond: Use this liner to form a reliable waterproof base that conforms to curving edges and uneven bottoms, protecting water quality and reducing maintenance. Garden pond with plant beds: Its cuttosize capability allows you to line irregular shapes and around plant features, keeping roots and soil from contaminating the water while preserving an attractive landscape. Wildlife or naturalstyle pond: Use where soil runoff could affect water clarity; the liner helps maintain clean water for birds, frogs, and other wildlife, while enabling straightforward routine cleaning.