Durable and flexible: these pond liner cuts measuring 4 m x 3 m can be used to create smaller garden ponds or streams that are close to nature. It is made of black PVC, is 0.5 mm thick, opaque and light-resistant. When laying, it proves to be extremely flexible, can be easily glued and, if necessary, repaired (weld seam resistant). It offers high resistance to different weather conditions and root pressure, is cold-resistant according to DIN 53361 and rot-resistant. Our quality promise: 15 year guarantee!