Features: 1. This unique composite material structure has high resistance to root penetration or damage. Its high tensile strength and high tear resistance and puncture resistance make it exceptionally strong. 2. Extremely sturdy and durable, but it is lighter to carry and move in place when the pond is constructed. Specifications: Material: Polyethylene Colour: Black Size: 2*2m, 2*3m, 2.5*3m, 1.5X2m, 3X3m Uses: pools, ponds, fish ponds, aquaculture, etc. Parts list: Pool membrane * 1 It is made of high-quality polypropylene material, which is wear-resistant, moisture-proof, waterproof, non-corrosive, high-temperature resistant, and durable Waterproof and moisture-proof, can withstand all kinds of weather and water, avoid trouble Durable, corrosion resistant, light weight, easy to operate and clean It can withstand harsh environments, resist ultraviolet rays, sunlight and temperature, and will not crack The material is safe, non-toxic to pond biological safety, safe and environmentally friendly