Durable Fish Pond Liners with Reinforced HDPE Membrane Garden Pools Landscaping Specifications: Color: BlackMaterial: HDPE (High Density Polyethylene) Size: About 5.0x4.5m Thinckness: 12S (0.12mm) (use it with care) (1CM=10MM=0.39Inch) Package Included: 1x Fish Pond Liners (4 Sizes for you to choose) Features: 100% Brand New Beneath the beautiful foliage and active aquatic life of your pond is the product that makes it work effectively, the fish pond liner. By installing a permanent fish pond liner that will withstand a variety of weather and water conditions, you can avoid the hassle of regularly replacing this integral part of your pond. HDPE fish pond liners are also a great choice because they are durable and strong, yet lightweight and easy to maneuver. HDPE pond liners are safe for fish and long-lasting. Able to withstand the harsh environment, our pond liner is UV, sunlight, and temperature resistant and will not crack at all. It is also non-toxic and safe for plants, fish, and other aquatic life. The unique composite structure provides high resistance to penetration or damage by root systems. Its high tensile strength and high resistance to tearing and punctures make it exceptionally strong. It is very lightweight, which makes installation easier, in terms of labor and installation time. Additional beneficial features: Easy to shape Suitable for ponds of all shapes and sizes Easy to work with Can be repaired or patched Tips: Before/after use, fold it well and place it in a flat, dry place to avoid damage from objects. Avoid sun exposure, ultraviolet rays can cause accelerated aging of the material. Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight deviation for the measurement data. 3.Please allow 1-3mm error. If you have any questions, please contact us.