Heavy Duty Pond Liner HDPE material, 0.12 mm (5 mil) thick and durable: made from HDPE to withstand harsh weather and longterm outdoor use. Safe for fish and plants; environmentally friendly. Flexible and cuttofit: can bend and fold to suit almost any pond shape; easy to cut to the required dimensions. Easy to install: provides a flat bottom surface to reduce soil buildup; installation requires no tools; layer features a round cobblestone finish for a natural look. Protective and easy to maintain: blocks soil contaminants from entering the pond, helping keep water clean and supporting a healthy environment for wildlife and aquatic plants; simplifies pond cleaning and upkeep. Use scenarios Backyard garden pond or koi pond: create a durable, safe habitat for fish and aquatic plants in outdoor settings. Decorative water feature: install in patios or courtyards as a longlasting, lowmaintenance water element. Wildlife pond: establish a small ecosystem to attract birds, frogs, and beneficial wildlife while keeping water clean. Key attributes Material: HDPE Thickness: 0.12 mm / 5 mil Shape compatibility: flexible and cuttofit for almost any pond layout Bottom design: flat base to minimize soil accumulation finish: round cobblestone appearance for a natural look Protection: prevents soil contaminants from entering the pond; supports easy cleaning and a healthy aquatic environment