I cleaned out my old (30+ yrs) pond with the original liner and it started to leak so we needed a new one, after a lot of research I settled upon this one, which was the toughest and most reasonably priced. The liner was shipped once it was made in the time frame they quoted when purchased. The new liner went in smoothly as it wasn't hard to move it around. It is a tough material yet light and flexible, I bought the 30 mil ultra with UV protection. I am happy with the results. The pond is all cut back getting ready for winter so it's not pretty right now and it has a leaf over it for the winter. But it is holding water and the fish are happy and it will look better in the fall. Thank you for the great product! Dave