Pond liner features and benefits toughness material: Constructed from HDPE ( density polyethylene) with a thickness of 0.13 mm (5 mil). This liner offers tear resistance, wear durability, sun protection, and puncture resistance to provide a safe, longlasting environment for fish and plants. Protects water quality: The impermeable membrane helps prevent substances from the surrounding soil from entering the pond, helping keep the water cleaner and supporting a healthy natural environment for wildlife and plants. It also makes pond cleaning easier. Easy cutting and installation: Lightweight and easy to handle, the liner is simple and fast to lay and connect. It adapts quickly to different terrains and foundation conditions and can be cut to your desired size to accommodate irregular surfaces. sizes and thicknesses: is supported. If you need a different size, please let us know. Thickness options available include 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, and 0.5 mm. Use scenarios Back garden pond with fish and plants: Provides a reliable, durable barrier to protect water quality while offering a longlasting habitat for aquatic life and aquatic plants. Decorative or planted garden pond: Maintains clean water by limiting soil ingress, supporting healthy plant growth and a visually appealing water feature. Wildlife or natural habitat pond: to irregular shapes and sizes, helping create a natural environment for wildlife while minimizing maintenance.