Durable HDPE material: Made from density polyethylene, these pond liners are strong and durable while remaining lightweight for easy handling and installation. strength and durability: The liner features a unique composite structure with resistance to root penetration, strong tensile strength, and tear resistance, providing longlasting protection for your pond. Ecofriendly and safe: Nontoxic and safe for aquatic life and plants. The liner resists UV exposure, sunlight, and temperature fluctuations without breaking down. Versatile applications: Suitable for fish ponds, water conservation projects, river slope protection, and moistureproofing for roofs and foundations. Available in multiple standard sizes to fit different project needs and compatible with common installation methods. 23 practical use scenarios: Lining a backyard pond or koi pond to prevent leaks and safeguard water quality. Serving as a roof or foundation moisture barrier to reduce dampness and structural wear. Protecting river slopes or hillbanks from erosion and water infiltration while maintaining moisture control. Key attributes at a glance: Material: HDPE (density polyethylene) Function: Leak prevention, root and tear resistance, UV and temperature resilience Size options: Multiple standard sizes for different pond dimensions and project scales Performance: Durable, nontoxic, and longlasting under outdoor conditions