The Bradshaws Kraft polyex Pond Liner by PondKraft is a high-quality, flexible pond liner made from durable polyethylene material. With a generous 25-year guarantee, this 4m x 4m liner is suitable for ponds and provides a reliable and long-lasting solution for maintaining the integrity of your pond. Perfect for garden and patio projects, this PondKraft liner is designed to ensure the water stays where it's supposed to, allowing you to focus on creating a beautiful and functional water feature in your outdoor space.