material: The pond liner is made of HDPE. Our HDPE material offers enhanced waterproofing and leak resistance compared with standard HDPE liners. It resists tears and punctures from sharp stones, helping you preserve pond water. Thickness and durability: Thickness is 0.12 mm (5 mil). Provides strong tear and puncture resistance, guarding against damage from an uneven pond base or plant roots. Its water resistance helps prevent leaks. Easy to cut and fit: Durable yet lightweight and easy to handle. Simple to install and fold, it stretches around corners to fit almost any pond shape. You can cut it to size to fit irregular surfaces. Protective function: Effectively blocks substances in the soil from entering the pond, helping keep the water clean and supporting a healthy natural environment for wildlife and plants. Also facilitates easy pond cleaning. Practical uses: Ideal for lining backyard fish ponds, water gardens, and wildlife ponds with irregular bases or plant roots. Suitable for lining raised garden ponds or landscape water features that require a reliable, easy to cut HDPE liner. Key specs at a glance: Material HDPE; Thickness 0.12 mm (5 mil); Designed for water retention, tear and puncture resistance, and soil protection; Flexible to fit irregular shapes and sizes.