STURDY HDPE MATERIAL: Pond liner is made of heavyduty density polyethylene (HDPE). It offers toughness and is resistant to punctures and tears, providing longlasting durability. Ideal for large areas and helps create a favorable living environment for animals or plants. FLEXIBLE & LEAK PROOF: 0.2 mm (8 mil) thickness. Sunproof and waterproof for outdoor use in and low temperatures. Flexible enough to fit irregular surfaces and contours. PROTECT YOUR POND: Provides a flat surface that reduces soil accumulation in the pond. Prevents harmful substances in the soil from seeping into the water, helping protect water features, pond pumps, filters, and related equipment. EASY TO USE & CLEAN: Can be cut into different shapes and sizes for versatile installation and maintenance. Easy to install and easy to clean, making it suitable for water gardens, fish ponds, and backyard waterfalls. Use scenarios: Lining a large backyard pond or wildlife habitat to maintain clean water and durable protection against ground movement. Creating a decorative water garden with irregular shoreline or uneven terrain, thanks to its flexible, formfitting properties. Covering a backyard waterfall or stream feature where a flat, protective surface helps reduce sediment buildup and protects pumps and filters. Designed to stay consistent with the original specifications, function, and intended applications.