Fish & Plant-Safe Pond Liner: Non-toxic physical barrier crafted from high-quality EPDM rubber. Free of harmful chemicals, this liner creates a safe, healthy environment for koi fish, aquatic plants, and wildlife. It effectively stops water seepage while maintaining balanced water conditions, making it perfect for long-term aquatic habitats. 45-Mil Heavy-Duty EPDM Construction: Built for outstanding durability, this pond liner features superior UV resistance to withstand prolonged sun exposure. Unlike standard liners that easily crack or fade, it resists brittleness, punctures, and freeze damage for long-lasting performance. Its rugged design ensures reliable use season after season. Easy to Shape & Install: Flexible and user-friendly! The pliable material can be gently shaped to fit ponds, boulders, and waterfall structures. It can also be trimmed to your desired size with standard scissors, requiring no specialized tools. Great for hassle-free DIY installation and customization. Low-Maintenance Design: The non-porous surface prevents buildup and simplifies daily care. Debris can be quickly rinsed away with a garden hose, with no heavy scrubbing needed. It keeps your water garden clean and attractive while reducing long-term maintenance effort. Versatile for Multiple Outdoor Projects: Suitable for a wide range of applications including koi ponds, decorative water gardens, waterfalls, streams, and water retention areas. Its flexible, cut-to-fit design adapts to various shapes and sizes, helping you bring any backyard water feature vision to life.