quality heavy duty pond liner made from durable HDPE material with a thickness of 0.12 mm. Designed for longterm outdoor ponds and extreme weather, it is environmentally friendly and safe for fish and plants. Flexible and versatile: bend and fold easily to fit almost any pond shape, and can be cut to match the exact dimensions required. Easy to use: the bottom layer provides a flat surface to reduce soil accumulation; no tools are needed for installation. The layer can accommodate a layer of round cobblestones for a neat, finished look. Protective performance: acts as a barrier to prevent harmful substances in the soil from entering the pond, helping to keep water clean and support a healthy natural environment for wildlife and plants. Easy to clean and maintain. Durable and compatible: weather resistant and suitable for garden ponds and water features. Works with standard pond liner installations and setups. Use scenarios: Irregular or uniquely shaped backyard pond: cut and shape the liner to fit the exact pond outline while maintaining a clean, cobbled finish. Garden water feature integrated with landscaping: provides a stable, safe habitat for fish and plants with a protective soil barrier. Temporary or seasonal pond installation: quick, tool setup that can be shaped to fit space and then easily removed or adjusted.