This HDPE pond liner measures **39.4" x 78.7"** with 0.5mm (20 Mil) thickness, heavy-duty waterproof geomembrane specially designed for backyard pond and water feature DIY projects. Made of high-density polyethylene material, this black fish pond liner provides outstanding leak-proof, puncture-resistant, tear-resistant and UV-resistant performance, protecting your pond from water seepage and soil contamination.
The flexible koi pond liner can be freely trimmed to fit kidney-shaped, oval, rectangular and custom irregular ponds, waterfalls, garden streams, fountains and aquaculture pools. Non-toxic material is safe for fish and aquatic plants. UV stabilized HDPE membrane withstands outdoor sun exposure and weather changes, maintaining stable performance year after year. This cuttable pond water liner is a must-have accessory for landscape builders and home gardeners. Suitable for backyard koi ponds, water gardens, small reservoirs, waterfall features, fountain basins, aquaculture tanks and other water containment applications. Simple to unfold, lay and install, helping you build your dream garden water scenery quickly.
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