The TotalPond Pond Skins Pond Liner is a durable and flexible lining material designed specifically for small ponds. Measuring 7 ft x 10 ft and 14.5 mil in thickness, this PVC liner is suitable for ponds and provides a waterproof barrier to prevent water leakage. The black color and sleek finish add a stylish touch to any pond, while the included set ensures you have everything you need to create a secure and functional water feature in your backyard. Trust in the TotalPond brand for quality products designed for pond enthusiasts.