Selected material Our pond liner is made of HDPE material. It is wearresistant, tearproof, antipenetration, UV resistant and puncture resistant, providing reliable protection for fish and plants and suitable for longterm outdoor use. Pond protection This liner blocks water and soil intrusion, prevents pollutants from entering the pond, and helps keep the water clean. It supports a healthy natural environment for wildlife, while the pond remains easy to clean and maintain. Custom sizes and thickness Available in a range of sizes to fit different ponds. Flexible liner can be cut to the exact size and shape you need. Standard thickness is 0.12 mm (5 mil). If you require other thicknesses, we can to 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm or 0.5 mm, with matching size available. Wide application Suitable for fish ponds, garden ponds, duck ponds, turtle ponds, lotus ponds, reservoirs, water features, fountains, streams, small ponds, backyard waterfalls, water gardens, outdoor ponds and koi ponds. Also applicable to landscaping, water conservancy projects, river slope protection, infrastructure decoration dustproof cloth, surface protection and related uses. Practical use scenarios Build or renovate a backyard koi pond with a tailored thickness to match pond depth and soil conditions. Create a garden water feature with a stream and small pond, using the liner to contain water and simplify maintenance. Protect and liner a lotus pond or duck pond in a landscape setting, reducing soil seepage and keeping water clean.