quality material: This pond liner is made of HDPE. Its HDPE composition provides reliable waterproofing and tightness compared with other HDPE materials. It resists cracks and damage from sharp stones, and its sealing properties help contain pond water effectively. Thickness and durability: 0.12 mm (5 mil) thick, offering tear and abrasion resistance. Designed to withstand uneven pond floors and plant roots without compromising integrity, while providing strong water resistance to prevent leaks. Easy to cut and fit: Lightweight yet durable, this liner is simple to install and fold. It can be stretched around corners to fit almost any pond shape and can be cut to size to accommodate irregular surfaces. Protective and easy to maintain: These liners help prevent substances from the soil entering the pond, keeping the water clean and supporting a healthy environment for animals and plants. They also facilitate easy pond cleaning and maintenance. Use scenarios: Backyard garden pond with irregular edges and varying depths, including plant beds and decorative rocks. Small to medium outdoor water features or koi ponds where reliable containment and weed/root protection are important. Temporary or permanent ponds in landscapes, patios, or greenhouses where easy cutting and fitting to irregular shapes is beneficial. Key benefits at a glance: Reliable containment with strong water resistance Durable guarding against root and stone damage Flexible fit for irregular shapes and cuttosize Keeps soil contaminants out and water clean for a healthy ecosystem