Easy to Cut and Fit This durable fish pond liner is designed for straightforward installation. Its flexible stretch accommodates any pond shape and rock contours. It can be cut to the required size to match irregular edges of your pond. Material and Protection Made of 0.2 mm (8 mil) HDPE material, it offers flexibility and ductility to resist tears and punctures from sharp stones. It provides waterproof and leakproof protection, plus UV resistance to help safeguard your pond. This liner helps create a safe environment for your fish and plants. Wide Applications Ideal for backyard ponds, waterfalls, reservoirs, water features, fountains, streams, landscaping, fish ponds, and water gardens. It can also be used for roof tarpaulins, architectural dustproof cloths, plant pergolas, and related projects. UV and Weather Resistance Resistant to UV rays, sunlight, and temperature changes. It will not crack and is easy to clean, maintaining performance over time. Use scenarios Lining an irregularly shaped garden pond with rock edges: cut to size and install to form a watertight basin. Building a small backyard waterfall or stream: use the liner to contain water and protect surrounding areas. Temporary cover or protection for architectural or outdoor projects: suitable as a roof tarp or dustproof cover when needed.