quality HDPE material for reliable pond protection: The pond liner is made of HDPE. Our HDPE material is more waterproof and leakproof than other HDPE materials. It can withstand tears and punctures from sharp stones, and its strong waterproofing helps retain pond water. Durable and thick enough to protect your pond: 0.12 mm (5 mil) thickness provides tear and puncture resistance. It guards against damage from an uneven pond base or plant roots, and its strong water resistance helps prevent leaks. Easy to cut and install for any pond shape: This liner is durable yet lightweight, easy to install and fold. It stretches around corners to fit almost any pond shape, and you can cut it to size to fit irregular surfaces. Protects water quality and simplifies maintenance: The liner effectively prevents substances in the soil from entering the pond, helping to keep the water clean for wildlife and plants, while making pond cleaning easier. Practical use scenarios: Building or renovating a backyard fish pond on uneven ground or with sharpedged rocks, where the liner can be cut and fitted to irregular surfaces. Creating a wildlifefriendly pond or garden water feature, where keeping water clean is important for plants and small animals. Installing a flexible, irregularly shaped pond or water feature that requires a liner that can be stretched and cut to fit precisely.