Superior HDPE Pond Liner – 20 Mil ThicknessDurable & Flexible: Crafted from high-quality HDPE, our pond liner offers exceptional resistance to punctures, UV rays, and weathering. The 20 mil thickness ensures long-lasting performance in all outdoor conditions, making it ideal for residential and commercial landscaping projects.Versatile Sizing: Available in multiple sizes (10x13, 10x15, 15x20, 20x25 ft), this liner is perfect for small garden ponds, large koi ponds, water gardens, waterfalls, and custom water features. Its flexible design easily conforms to both regular and irregular pond shapes.Safe for Fish & Plants: The HDPE material is non-toxic and safe for aquatic life, making it a reliable choice for maintaining a healthy pond ecosystem. It prevents water loss due to seepage, helping you conserve water and keep your pond full and lively.Low Maintenance: This black pond liner reduces algae growth by blocking sunlight and is easy to clean. Its robust construction minimizes the risk of leaks and requires minimal upkeep, giving you more time to enjoy your water feature.Wide Application: Perfect for garden ponds, fountains, waterfalls, streams, and other backyard water features. Enhance your outdoor decor and create a beautiful, tranquil refuge with a professional-grade pond liner designed for lasting reliability.