Durable material and longlasting performance Made of 0.35 mm HDPE, this liner provides longevity and flexibility for harsh environments. Resistant to wear and tear, it offers reliable service for years. Suitable for both indoor and outdoor use, making it a versatile choice for various settings. Versatile applications for water features and more Ideal for garden waterfalls, outdoor fish ponds, and garden fountains. Also suitable for agriculture, aquaculture, and water conservation projects. Lightweight and easy to install, delivering a durable and efficient solution for outdoor water features. fit for uneven surfaces Conforms to the contours of rocks and waterfalls, accommodating various uneven surfaces. Durable and designed for longlasting outdoor use. Helps create a beautiful and functional water effect, enhancing garden or landscaping projects. Easy to install and safe for ecosystems Simple to install and suitable for creating ponds or renovating existing one. As a koi pond liner, it is nontoxic and safe for plants, fish, and the environment. Suitable for both beginners and experienced gardeners seeking a reliable aquatic habitat. Use scenarios Backyard pond with a cascading waterfall: provides a durable, flexible liner that adapts to rocks and flowing tiers while safeguarding water containment. Renovating an old or damaged pond (including koi ponds): easy replacement with a koisafe, nontoxic liner that supports healthy aquatic life. Outdoor agriculture or aquaculture projects: reliable water containment for irrigation, spoilage reduction, and conservation efforts with a lightweight installation process.