Durable HDPE pond liner for outdoor water features Material and durability Made from HDPE that is sun proof and UV resistant, waterproof and puncture resistant for long term outdoor use. The liner is flexible and tear resistant, helping keep other materials from seeping into the pond and creating a safer environment for fish and plants. Easy to clean and maintain water quality Provides a flat surface that reduces soil buildup inside the pond. Prevents substances in the soil from seeping into the water, supporting clearer water and easier maintenance. Flexible sizing and simple installation Available in multiple sizes to suit different ponds. Easy to trim to fit your needs; folds and bends easily to conform to curved or irregular ponds. No tools required for installation; adapts to a variety of designs. Easy cutting lets you adjust landscaping, size and layout as needed. Use caution to avoid sharp objects during placement. It is strong but not indestructible. Practical use scenarios Ornamental backyard pond with fish and aquatic plants, where a durable liner protects water quality and supports plant life. Koi or larger fish ponds that require reliable puncture resistance and long lasting outdoor performance. Custom or creative water features such as irregularly shaped ponds, rock borders, or garden waterfalls where easy trimming and flexible fitting are advantageous.