quality material: The pond liner is made of HDPE. This HDPE material is designed to be more waterproof and leakproof, providing reliable protection against tears and punctures from sharp stones. Its strong waterproofing helps conserve pond water. Thickness and durability: 0.12 mm (5 mil). Offers tear and puncture resistance. Suitable for uneven pond bases and plant roots without damage. water resistance helps prevent leaks. Easy to cut and fit: Durable yet lightweight, this liner is easy to install and fold. It can be stretched around corners to fit almost any pond shape. It can be cut to size to fit irregular surfaces. Protection and water quality: The liner helps prevent substances in the soil from entering the pond, contributing to cleaner water and a healthy environment for wildlife and plants. It also facilitates easy pond cleaning. Use scenarios: garden or backyard ponds: install a reliable liner to preserve water, protect against root and rock damage, and maintain clear water. Pond renovations or replacement: worn liners in irregular or uneven basins while maintaining water containment and soil protection. Water features with plant shelves and irregular contours: use the liner's flexibility and cuttosize capability to fit complex shapes while keeping water clean and contained.